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73 results about "Information finding" patented technology

Method and system for generating interface link automatic test case

The invention provides an interface link automatic test case generation method and system, and belongs to the technical field of software development, and the method comprises the steps: monitoring various operation behaviors of a user on a front-end page, and obtaining user operation information; searching an association rule base based on the user operation information to obtain background interface calling information corresponding to the user operation information; the association rule base is obtained by training a machine learning model based on historical user operation information and historical background interface calling information; restoring interface link information based on the background interface calling information; and generating a test case based on the reduced interface link information. According to the interface link automatic test case generation method and system provided by the invention, the software test efficiency and reliability can be improved.
Owner:河北网星软件有限公司

Intelligent matching method based on talent information

The invention provides an intelligent matching method based on talent information, and belongs to the field of intelligent matching. The problem that talent information is difficult to search is solved; the method specifically comprises the following steps: S1, obtaining talent information and employment demand information of an enterprise; s2, acquiring a human demand standard, and dividing the human demand standard into a rigid requirement and an elastic requirement; necessary items are obtained according to the hardness requirement; according to the elasticity requirement, obtaining score adding items; s3, screening the talent information through necessary items to obtain optimized talent information, and performing similarity matching on the optimized talent information and an elastic requirement to obtain a similarity value; s4, setting a weight for the elasticity requirement; constructing a matching scoring model according to the similarity values and the weights, and scoring the talents; and S5, sorting the scoring results, and performing talent recommendation on the enterprise in combination with the employment demand information of the enterprise. According to the invention, through intelligent matching of talent information, data reference is provided for enterprises, the cost of recruiting people is reduced, and the efficiency of recruiting people is improved.
Owner:GUANGZHOU ZIYAN DIGITAL TECHNOLOGY CO LTD

Voice quality inspection method and device, electronic equipment and computer readable storage medium

The voice quality inspection method and device, the electronic equipment and the computer readable storage medium provided in the application are related to the artificial intelligence technical field and are suitable for the financial technology field. The method comprises the following steps: obtaining target conversation voice; performing text conversion on the target conversation voice to obtain target conversation text; performing semantic division on the target conversation text to obtain target semantic blocks and semantic block categories; performing information searching on a preset knowledge graph according to the target semantic blocks to obtain entity triple text; performing sentence reading on a preset semantic sentence database according to the semantic block categories to obtain standard semantic sentences; performing text fusion according to the semantic block categories, the standard semantic sentences, the target semantic blocks and the entity triple text to obtain target quality inspection prompt text; and performing quality inspection on the target quality inspection prompt text to obtain a voice quality inspection result. The application embodiment can improve the voice quality inspection accuracy.
Owner:PING AN TECH (SHENZHEN) CO LTD

Method and device for searching and distinguishing 5G mobile internet of things traffic

The invention provides a 5G mobile internet of things traffic retrieval distinguishing method and equipment. The method comprises the steps that an execution unit loads a first configuration file of a data network name and a second configuration file of a mobile subscriber international integrated service digital network number; reading a data network name of the internet of things from the first configuration file, reading international integrated service digital network number information of the mobile subscriber from the second configuration file, and compiling the information into a regular rule base; the signaling unit analyzes the tunnel information and sends the tunnel information to the execution unit; the execution unit receives tunnel information including a mobile subscriber international integrated service digital network number, an international mobile subscriber identification code and the like, and makes hash index storage according to a next-generation base station internet protocol address and the like; receiving user plane traffic and extracting tunnel information including a next-generation base station internet protocol address and the like; searching a hash table by adopting tunnel information to obtain information nodes; and a data network name and a mobile subscriber international integrated service digital network number in the user information node are respectively matched with the regular rule base.
Owner:WUHAN BOYIXUN INFORMATION TECH CO LTD

Message pushing method, device and equipment

The invention relates to the field of communication, in particular to a message pushing method, device and equipment. The method comprises the steps that a proxy server receives a first message sent by an application server, the first message comprises a theme for subscription and data needing to be sent by the application server, and the data or the theme comprises a unique identifier of a to-be-pushed application; the proxy server searches a terminal device corresponding to the theme of the first message according to predetermined application registration information; and the proxy server pushes the first message to the terminal equipment through a preset connection channel, so that an application management module of the terminal equipment forwards the data to the to-be-pushed application according to the unique identifier of the to-be-pushed application of the theme. According to the method, messages of multiple applications can be pushed only by establishing a single connection channel, the power consumption and the network load of terminal equipment are reduced, the consumption of server development resources is reduced, and communication resources are saved.
Owner:NEW POS TECH

GPIO resource operation method and system, server and storage medium

The invention relates to the technical field of server design, and discloses a GPIO (General Purpose Input / Output) resource operation method and system, a server and a computer readable storage medium, the method is applied to the server, and the method comprises the following steps: obtaining target pin information and operation information through a baseboard management controller, and searching a preset register mapping table on the GPIO subsystem according to the target pin information to obtain a target register address, and operating GPIO resources of the complex programmable logic device by the substrate management controller according to the target register address and the operation information. By means of the mode, GPIO resource operation on the server is more convenient, hardware and the application program can be decoupled, even if the pins change due to subsequent hardware updating, the application program does not need to be modified as long as the information of the pins achieving the same function is the same, and the user experience is improved. And the substrate management controller can find the corresponding target pin according to the target pin information and operate the target pin.
Owner:广东省工业边缘智能创新中心有限公司

Information search method, system and device based on multiple chameleon hash function

The application discloses a method, system and device for information searching based on a multiple chameleon hash function, and belongs to the technical field of blockchains. The technical problem to be solved is how to make a trapdoor be independently held by multiple participants and improve the security and credibility of the chameleon hash algorithm. The method comprises the following steps: multiple participants as trapdoor co-owners hold system parameters; each participant generates a key pair share and broadcasts a public key share in the key pair share; an aggregated public key is calculated based on the public key shares of all participants; chameleon hash calculation is performed to obtain a chameleon hash value as a target hash value; the multiple participants cooperate to perform collision searching through multiple rounds of concurrent communication to obtain a new message and a pair of new chameleon random numbers corresponding to the new message, and the chameleon hash value of the new message is the same as the target hash value.
Owner:SHANDONG LANGCHAO YUNTOU INFORMATION TECH CO LTD

A talent information intelligent matching method

The application provides a talent information intelligent matching method, and belongs to the intelligent matching field; solves the problem of difficult talent information searching; and specifically comprises the following steps: S1: obtaining talent information and enterprise employment demand information; S2: obtaining employment demand standards, which are divided into rigid requirements and flexible requirements; obtaining necessary items according to the rigid requirements; obtaining bonus items according to the flexible requirements; S3: screening the talent information through the necessary items to obtain optimized talent information, and performing similarity matching with the flexible requirements to obtain a similarity value; S4: setting a weight for the flexible requirements; constructing a matching score model according to the similarity value and the weight to score the talents; and S5: sorting the score results, and recommending talents to the enterprise in combination with the enterprise employment demand information; the application provides data reference for the enterprise through intelligent matching of the talent information, reduces the recruitment cost, and improves the recruitment efficiency.
Owner:GUANGZHOU ZIYAN DIGITAL TECHNOLOGY CO LTD

Session message display method, related device and medium

The invention provides a session message display method, a related device and a medium. The method comprises the steps that in an instant session application, a user group session page is displayed, and the user group session page comprises a plurality of session messages and an elimination entry control used for eliminating target content in the session messages; in response to triggering of the elimination entry control, displaying a target object body for eliminating the target content; displaying a progressive elimination process of eliminating the target content by the target object body; and displaying the eliminated session message after the target content is eliminated. According to the method and the device, the effective information searching efficiency and the information processing transparency in the user group session page can be improved. The method and the device can be applied to various scenes such as big data, content display and cloud technology.
Owner:TENCENT TECHNOLOGY (SHENZHEN) CO LTD

Wind power equipment Data-drive intelligent diagnosis system for new energy station

The invention relates to the technical field of industrial cloud computing, and discloses a new energy station oriented data-drive intelligent diagnosis system for wind power equipment. The system comprises a data receiving and processing module, a diagnosis context construction module, a correlation graph generation module, a running state slicing module and a diagnosis report generation module. The invention aims to solve the problems of low efficiency and poor conclusion consistency caused by the fact that an existing fault diagnosis method depends on artificial experience to construct an analysis scene, associated information is difficult to search, and an analysis process is fragmented. According to the method, the diagnosis context with the optimized signal-to-noise ratio is automatically constructed, multi-dimensional data association is intelligently mined in the diagnosis context, the diagnosis path efficiency is evaluated, meanwhile, the focus is converged and analyzed in combination with the running state slices, and finally a structured diagnosis report is automatically generated; according to the method, progressive and navigation type intelligent analysis from abnormity to root is realized, and the accuracy, the automation level and the decision-making efficiency of fault diagnosis of the wind power equipment are remarkably improved.
Owner:BEIJING CENTURY CONCORD OPERATION & MAINTENANCE CO LTD

Method, device, equipment and storage medium for obtaining website address

The present application discloses a method, apparatus, device and storage medium for obtaining a URL, which relates to the field of computer technology and is used to solve the current shortcoming of lengthy URLs, including: receiving a URL obtaining request sent by a client, and obtaining request information in the URL obtaining request; searching for a corresponding target file based on the request information; if the target file is found, obtaining target long URL information from the target file, and returning the long URL information and a redirection request to the client, so as to access the target page by redirecting the long URL information. The present application stores the mapping relationship between long URLs and short URLs in a target file. When a user sends a URL obtaining request, the target file is determined according to the request information in the URL obtaining request, thereby obtaining the target long URL information in the target file and returning it. The present application is applicable to more scenarios, reduces deployment difficulty, and improves the security of URL information and the operating efficiency of the system.
Owner:YIQIQIFUNETWORK TECH CO LTD

Text information processing method and device, equipment and storage medium

The invention discloses a text information processing method and device, equipment and a storage medium, and belongs to the technical field of computers. The method comprises the following steps: acquiring text information, a first mapping table and a second mapping table, wherein the text information is used for indicating character contents needing to be rendered by an application program; searching in the first mapping table on the basis of the text information to obtain a first text identifier, wherein the first mapping table comprises at least two development language key value pairs which take the text content of the development language of the application program as keywords and take the text identifier as a data item; a first translation text is searched in the second mapping table based on the first text identifier, the second mapping table comprises at least two translation language key value pairs with the text identifier as a keyword and text content of a translation language as a data item, and the translation language is different from the development language; and rendering and displaying the character content of the first translated text.
Owner:TENCENT TECHNOLOGY (SHENZHEN) CO LTD

Method, apparatus, and storage medium for managing permissions

The application provides a permission management method and device, electronic equipment and a storage medium, the method comprising: receiving a request of a user accessing target information in a target file; in response to the request, searching for role permission information corresponding to the user and group permission information corresponding to the user according to user identification information; wherein the user identification information is obtained from the request; determining the access permission of the user to the target file according to the group permission information, and determining the access permission of the user to the target information according to the role permission information; if the user has the access permission to the target file and the target information, allowing the user to access the target information in the target file. The application realizes automatic completion of permission management, improves the efficiency of permission management, reduces the labor cost, and can realize permission management in multiple dimensions, simplifying the permission management mode.
Owner:QINGDAO HAIER TECH +1

Artificial Intelligence-Based Contract Content Query Method and System

This application relates to the field of data processing technology and discloses a method and system for querying contract content based on artificial intelligence. The method includes: splitting the contract text into multiple text blocks; performing semantic analysis on each text block to extract keywords, including a first keyword and a second keyword; constructing a contract information structure diagram based on the keywords; obtaining word vectors for each keyword based on a pre-trained first model; calculating the proximity between every two keywords in the text block based on the word vectors; improving the contract information structure diagram based on the proximity and creating a first association table; obtaining query keywords based on real-time query statements; finding keywords with the same frequency as the query keywords based on historical query information; extracting first information and second information from the contract information structure diagram based on the query keywords, keywords with the same frequency, and the first association table; and displaying the query results based on the first information and second information. This invention can improve the efficiency of contract content querying.
Owner:DUXINGXINDAO INTELLIGENT TECH (HENAN) CO LTD

Method for automatic recovery of object exploration information in RPA scenarios using generative ai, and apparatus therefor

The present invention is for, in applying a target object exploration according to a RPA scenario based on a previous UI screen to the current UI screen, if a specific target object cannot be searched or an error occurs due to a change on a target app / web at the current time point, automatically extracting information on the most suitable corresponding object on the current UI screen, thereby automatically recovering from the target object exploration execution failure of the previous scenario. A method of the present invention may comprise: an error recognition step for detecting the occurrence of an error resulting from the application, to the current UI screen, of a target object exploration based on object exploration information of a RPA scenario created on the basis of a previous UI screen; an image information LLM inquiry step for generating a first prompt including a first image including at least a portion of the previous UI screen including a target object, and a second image including at least a portion of the current UI screen, and instructing a generative AI to return information of an object corresponding to the target object on the current UI screen; and an object exploration step for performing target object exploration on the current UI screen.
Owner:SAMSUNG SDS CO LTD

Resource recommendation method and device, electronic equipment and storage medium

The invention discloses a resource recommendation method and device, electronic equipment and a storage medium, and the method comprises the steps: determining a first resource in a target resource set in response to a resource recommendation request of a target object; the first resource is a resource meeting a new resource condition in the target resource set; searching a target second resource corresponding to the first resource based on resource mapping information; the resource mapping information represents second resources respectively associated with a plurality of different preset first resources; the second resource is a resource of which the recommendation index exceeds a preset recommendation index threshold value in a preset historical time period; under the condition that the target second resource is found, obtaining resource feature representation of the target second resource; and based on the object feature representation of the target object and the resource feature representation of the target second resource, predicting a recommendation probability of recommending the first resource to the target object. The cold start success rate of new resources can be improved.
Owner:TENCENT TECH (BEIJING) CO LTD

Information searching method and device, electronic equipment and storage medium

The invention provides an information searching method and device, electronic equipment and a storage medium, and belongs to the technical field of data processing. The information searching method comprises the steps that a first identifier is displayed on an operation interface of an operation and maintenance system; in response to a first operation on the first identifier, receiving to-be-queried information and a selected query mode; determining a target retrieval knowledge base from the full-text retrieval knowledge base and the mixed retrieval knowledge base based on the selected query mode, and performing retrieval in the target retrieval knowledge base based on the to-be-queried information to obtain a retrieval result; and displaying the retrieval result. Inputting the to-be-queried information and the selected query mode by the operation and maintenance personnel through interaction with the first identifier, determining a target retrieval knowledge base from the full-text retrieval knowledge base and the mixed retrieval knowledge base by utilizing the selected query mode at the moment, further performing retrieval in the target retrieval knowledge base by utilizing the to-be-queried information, and displaying a retrieval result. In the process, the searching efficiency is improved while the flexibility of information searching is improved.
Owner:CRSC URBAN RAIL TRANSIT TECH CO LTD

Intelligent display voice-to-text method and system, and medium

The application discloses an intelligent display voice-to-text method and system and a medium, and the method comprises the following steps: when an audio and video file is captured, the audio and video file is converted into text; each sentence of text is segmented according to a pre-agreed punctuation mark to obtain segmented sentence text information; a pre-established dictionary table is searched; if historical data corresponding to the segmented sentence text information is found in the dictionary table, a corresponding previously combined text paragraph is obtained from the dictionary table; the text paragraph is rendered; single characters in the rendered text paragraph content are processed according to sensitive words, forbidden words or search words; and the processed single characters are synchronized with the text paragraph on a page for display. Through the application, a user can quickly find out where a violation is located, and can also quickly jump to a corresponding progress for manual auditing to confirm whether a problem exists, thereby greatly reducing the workload of the user for compliance processing.
Owner:SHENZHEN CRAFTSMAN NETWORK TECH CO LTD

A service card information searching method and device, an electronic device and a storage medium

The application discloses a service card information searching method and device, electronic equipment and a storage medium, a quick search table is arranged in RAM, a search table is arranged in ROM, the quick search table is a table including keywords generated according to the search table, the record number of each keyword in the quick search table in the quick search table is the same as the record number of the service card record associated with the identity corresponding to the keyword in the search table, after obtaining the identity of the service card to be searched, the record number of the target keyword matched with the to-be-matched keyword is searched in the quick search table, when the identity in the target service card record corresponding to the record number in the search table is matched with the identity of the service card to be searched, the service information in the target service card record is read as the service information of the service card to be searched, the keyword is searched in RAM first, then the keyword is searched in ROM, the searching speed is high, the service card record does not need to be sorted, and the service life of the ROM is prolonged.
Owner:HITACHI BUILDING TECH GUANGZHOU CO LTD

A method, apparatus, device, or medium for modifying non-integer attribute information of components.

This invention belongs to the field of component attribute information management technology, specifically providing a method, apparatus, device, and medium for modifying non-integer attribute information of components. The method includes the following steps: identifying the component and attribute information to be modified; generating a configuration file for attribute information by searching for the target component's information; storing the non-integer attribute information into different sets according to attribute type; during the generation of a binary file based on the configuration file, searching for the corresponding attribute ID in the corresponding set according to the attribute category; checking the validity of the attribute values ​​to be modified in the configuration file based on the range of attribute values ​​in the set; generating the binary file when all categories of attribute values ​​are valid; refreshing the data in the binary file to the attribute database to complete the overwriting of the target component's attribute values; restarting the machine and loading the data in the attribute database into virtual memory to make the configuration effective. This method allows modification of attribute values ​​without compiling Pnor, improving efficiency.
Owner:INSPUR SUZHOU INTELLIGENT TECH CO LTD

Multimodal information comparison method based on semantic guidance

The invention relates to the technical field of AI information, in particular to a multi-modal information comparison method based on semantic guidance, which comprises the following steps: S1, data acquisition and preprocessing; s2, constructing a model; s3, model training; s4, evaluating and optimizing the model; and S5, carrying out online prediction and feedback. Through the designed and constructed algorithm architecture, heterogeneous image information comparison of specific information is realized through image processing by means of the text semantic guide model. Specific information searching and comparison of the heterogeneous images are realized, and the complexity of searching and comparison of the specific information in the heterogeneous images is greatly reduced. According to the method, the same semantic information of different images is searched and compared by analyzing the semantic information of the characters, so that the usability is improved. The layout distribution, the information format and the like of the to-be-compared image are allowed to be inconsistent, and the application scene of the model is widened. The influence of human factors is reduced, the production efficiency is improved, and the probability of information error comparison is reduced.
Owner:CHINA TELECOM DIGITAL INTELLIGENCE TECHNOLOGY CO LTD LIAONING BRANCH

Methods, equipment, and media for fusing network active detection and computing power sensing

This invention discloses a method, device, and medium for fusing network active detection and computing power perception, belonging to the field of computing power network and mobile communication technology. The technical problem this invention aims to solve is how to obtain computing power information consistent with network information during computing network information perception, thereby improving the consistency and efficiency of computing network information dissemination. The technical solution adopted is as follows: In a computing power network scenario, computing power information is carried through protocol extensions in network active detection requests and responses: the entry node sends a computing power query request to the exit node, and the exit node replies with the computing power query result to the entry node; the exit node maintains an edge computing power information database, and the computing power information requested by the entry node is searched in the edge computing power information database; when the computing power service information changes and the change exceeds a set threshold, the exit node is notified; the exit node updates the edge computing power information database and notifies the entry node, through independent messages or network perception messages.
Owner:INSPUR COMM TECH CO LTD

An identification processing system based on AI technology and GIS system

The application discloses a kind of identification processing systems based on AI technology and GIS system, including AI identification unit and GIS information data unit, AI identification unit includes image analysis module, image repair module, image partition module, image entry module;GIS information data unit includes geographic information entry module, geographic information call module, geographic information search module and geographic information sending module.User uploads the relevant geographic information image of need query to system, is marked first by AI identification unit to image, and data group is established according to the layer of image, image analysis module is analyzed to image, and is uploaded to the display end of computer by geographic information sending module, completes the search of geographic image.The identification processing system based on AI technology and GIS system, the excellent combination of AI technology and GIS system is realized, and can be widely used.
Owner:JIANGSU ELECTRIC POWER INFORMATION TECH

System and query method

The embodiment of the present specification provides a system and a query method, wherein the coordination node of the system comprises a coordination service unit and a connection unit, the data node of the system comprises a data service unit, the connection unit comprises a connection capable of multiplexing, and the query method comprises the following steps: when receiving a preparation request carrying a sub-query statement, the data service unit generates query optimization data by using the sub-query statement, and writes the query optimization data into a cache area in correspondence with the information of the sub-query statement; the coordination service unit establishes a connection with the data service unit based on the connection in the connection unit, and when receiving a target query statement, determines a target sub-query statement of the target query statement, finds out a target data service unit which has cached the query optimization data of the target sub-query statement by using the target information of the target sub-query statement, and sends a use request to the target data service unit; and the data service unit multiplexes the query optimization data in response to receiving the use request.
Owner:ALIBABA CLOUD COMPUTING CO LTD

Log processing method and device, computer device and storage medium

The application relates to a log processing method and device, computer equipment and a storage medium, and applies to the technical field of artificial intelligence. The method comprises the following steps: performing information extraction processing on a to-be-processed log to obtain keyword information in the to-be-processed log; performing re-extraction processing on the keyword information according to a middleware category corresponding to the to-be-processed log to obtain target keyword information matched with the middleware category; the middleware category is the category of a server used for deploying an application program corresponding to the to-be-processed log; determining fault information corresponding to the to-be-processed log based on the target keyword information; and finding a pre-constructed decision tree according to the fault information to obtain a decision result corresponding to the to-be-processed log. The method can shorten the operation and maintenance emergency time length and reduce the risk of production accidents.
Owner:INDUSTRIAL AND COMMERCIAL BANK OF CHINA

A computer business process control method, execution engine, device and medium

The application discloses a computer business process control method, an execution engine, a device and a medium, and relates to the technical field of computer business process control. The method comprises the following steps: acquiring stage change notification of a target process; wherein the target process comprises multiple stages, and any stage comprises multiple modules; according to the type of the stage change notification and module configuration information, a corresponding target module is found; and the target module is triggered to execute function logic corresponding to the stage change notification, so as to realize stage change of the target process. In this way, the execution engine and the configuration information of the module can be used to realize twisting of a process stage and scheduling of a module, the coupling degree between modules is reduced, the module can be reused, the module can be adapted to various processes, and the generality is high.
Owner:WUHAN ZILAN INFORMATION TECH CO LTD

Business processing method and related device

The invention provides a service processing method and a related device. The embodiment of the invention can be applied to various scenes such as artificial intelligence. The method comprises the steps that firstly, inquiry information of a service is acquired, and the inquiry information of the service carries identification information of the service; then, K pieces of log data corresponding to the business are searched according to the identification information of the business, and the K pieces of log data correspond to the K log sources; then, based on the inquiry information of the business, performing data statistics on the K log data, and generating a statistical result; and finally, reply information is generated based on a statistical result. According to the method provided by the embodiment of the invention, the service problem can be quickly positioned and traced by obtaining and counting the related log data, so that the efficiency of solving the problem is improved, and the service delay is reduced; the corresponding K pieces of log data are searched according to the identification information of the service, it can be ensured that key information related to the specific service is obtained, and the accuracy of problem analysis is improved.
Owner:TENCENT TECHNOLOGY (SHENZHEN) CO LTD

Table loading method and device, electronic equipment and readable storage medium

The invention discloses a table loading method and device, electronic equipment and a computer readable storage medium. The table loading method comprises the following steps: judging whether current coordinate information is within a coordinate range of first coordinate information stored in a cache or not; selecting different current position information searching methods according to whether the current coordinate information is in the coordinate range of the first coordinate information stored in the cache, and quickly searching the current position information of the current display area of the table corresponding to the current coordinate information by utilizing a dichotomy and an index searching method respectively; according to the method, the table loading speed is improved, and meanwhile, only the current position information of the current display area of the table is searched, and only the table elements corresponding to the display area are rendered, so that the use of a memory is reduced, the rendering speed is improved, and the performance loss is reduced.
Owner:SHANSHU TECH (BEIJING) CO LTD +3

Medicine and chemical instrument type selection analysis method and device, terminal and storage medium

The invention provides a pharmaceutical chemical instrument type selection analysis method and device, a terminal and a storage medium, and relates to the technical field of automatic control design. The method is applied to a pharmaceutical and chemical instrument type selection modular platform and comprises the steps that a process condition table is received, the instrument type of each instrument to be selected in the process condition table is determined, the process condition table comprises multiple rows of process parameters, and each row of process parameters comprises temperature, pressure, liquid level, flow and analysis parameters; each row of process parameters represents one instrument to be selected; according to the instrument type of each to-be-selected instrument, a function table is generated by combining the technological parameters of the corresponding to-be-selected instrument, and the function table comprises an instrument data table, an instrument index table, an IO table and an instrument installation diagram. According to the method, the instrument type selection accuracy can be improved, and delay caused by difficult information search is reduced.
Owner:CHINA ELECTRONIC SYST ENG FOURTH CONSTR CO LTD