Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

48 results about "Computer testing" patented technology

Server test method, electronic equipment, storage medium and program product

The invention relates to a server testing method, electronic equipment, a storage medium and a program product, which are applied to the technical field of computer testing, and the method comprises the following steps: in the process of executing a pressure test on a tested server in a composite testing scene, based on the standard exceeding condition of the performance index of the tested server, according to a degradation strategy matched with the standard exceeding condition, determining the performance index of the tested server according to the degradation strategy matched with the standard exceeding condition; the access traffic injected into the tested server is adjusted, and the degradation strategy is used for performing overload protection on the tested server; converting the acquired running state data of the tested server into multi-dimensional feature data according to a plurality of performance dimensions; determining weights of different performance dimensions based on a test mode of a pressure test; and determining a test result of the tested server according to the weight and the multi-dimensional feature data.
Owner:INSPUR SUZHOU INTELLIGENT TECH CO LTD

Small model-based in-vehicle infotainment test method and system

The invention relates to the technical field of data processing, and discloses an in-vehicle testing method and system based on a small model. The method comprises the following steps: acquiring an in-vehicle machine screen image, and extracting interface elements through a lightweight recognition model to generate a recognition result; analyzing element function association to determine operation types to form a test operation sequence; an ADB instruction and a mechanical arm action are generated according to the operation sequence to construct a test script; executing the script to drive the vehicle machine to test and collecting multi-dimensional response data; and analyzing test data, calculating a passing rate and response time, and generating a verification report. According to the method, the technical problems of low interface element identification accuracy, poor test script adaptability and insufficient multi-modal data analysis capability in the traditional vehicle-mounted terminal test are solved, and the automation degree of the vehicle-mounted terminal test and the reliability of the test result are remarkably improved.
Owner:TIANJIN XIAOBO ZHILIAN INFORMATION TECHNOLOGY CO LTD

Hard disk testing machine capable of synchronizing and patrolling and detecting

The utility model discloses a hard disk testing machine capable of synchronizing and patrolling and detecting, which belongs to the technical field of computer testing devices and comprises a casing and a switching power supply, a testing area and an operating area are arranged in the casing, a plurality of computer modules and hard disks are arranged in the testing area, and the operating area is provided with an input module and a display screen. The side wall of the shell is provided with a power supply insertion port, and the switching power supply is inserted into the power supply insertion port; the switching power supply comprises a power supply shell and a plugging clamping assembly, the plugging clamping assembly comprises an elastic piece and a clamping protrusion, one end of the elastic piece penetrates through the power supply shell and then is connected with the inner wall of the power supply shell, the other end of the elastic piece is located outside the power supply shell, and the clamping protrusion is connected with the elastic piece. And when the other end of the elastic sheet is pressed and moves downwards relative to the power supply shell, the clamping bulge is driven to retract into the power supply shell from the outside of the power supply shell. According to the hard disk testing machine capable of synchronizing and patrolling and detecting, the problem that a switching power supply of an existing hard disk testing machine is not convenient for maintenance personnel to replace or maintain is solved.
Owner:GUANGZHOU KEXING LIGHTING TECHNOLOGY CO LTD

Turnover test module compatible with notebook computers of various sizes

The utility model relates to the technical field of notebook computer testing, and discloses a turnover test module compatible with notebook computers of various sizes, which comprises a bottom plate and a driving assembly, the top of the bottom plate is fixedly connected with a mounting seat, the driving assembly is arranged at the top of the mounting seat, a turnover assembly is arranged on the outer side of the mounting seat, and the turnover assembly is arranged on the bottom plate. The turnover assembly is used for turning over the notebook computer; the overturning assembly comprises a rotating block, the outer side of the rotating block is rotationally connected to the outer side of the mounting base, a linear guide rail is fixedly connected to the outer side of the rotating block, and a sliding block is slidably connected to the outer side of the linear guide rail. According to the utility model, through the cooperation of a plurality of structures such as the rotating block, the linear guide rail and the rubber sucker, the notebook computer can be completely closed during testing, the installation error of the two rotating centers of the module and the notebook computer is allowed, the module can be automatically compatible, the compatibility is relatively strong, and the test efficiency is improved. And the notebook computer can be compatible with various notebook computers with different sizes.
Owner:SUZHOU INTELLIGENT AUTOMATION EQUIP CO LTD

Notebook computer plugging test device

The utility model belongs to the technical field of notebook computer testing, and provides a notebook computer plugging and unplugging testing device which comprises a rack; the test platform is arranged on the rack and is used for placing a notebook computer to be tested; the testing mechanism is arranged on one side of the testing platform and comprises a supporting seat, a first moving seat, a first adjusting assembly, a second adjusting assembly and a testing connector, the first moving seat is arranged on the supporting seat, and the testing connector is arranged on the first moving seat; the first adjusting assembly is used for driving the first moving seat to move relative to the supporting seat in the vertical direction so as to align the test connector with the height of the interface of the notebook computer to be tested, and the second adjusting assembly is used for driving the test connector to move in the horizontal direction so as to drive the test connector to be inserted into or withdrawn from the interface of the notebook computer to be tested; according to the invention, the automatic plugging test of the notebook computer is realized, time and labor are saved, the test efficiency is effectively improved, and the labor cost is reduced.
Owner:TECH-FRONT (CHONGQING) COMPUTER CO LTD

A method, apparatus and equipment for A / B testing

ActiveCN115391184BTest results are stableReliable test resultsError detection/correctionComparative testAlgorithm
This disclosure provides a method, apparatus, device, and storage medium for A / B testing, relating to the field of computer technology, and particularly to the field of computer testing technology. The specific implementation scheme is as follows: Traffic is randomly divided into group A and group B, with group A and group B having equal amounts of traffic; group A is randomly and equally divided into at least two subgroups of traffic; group B is also randomly and equally divided into at least two subgroups of traffic, with each subgroup of group B having equal amounts of traffic to each subgroup of group A; the subgroups of traffic are then permuted and combined to obtain at least four pairs of subgroups; multiple comparative tests are performed using at least four pairs of subgroups of traffic to obtain the A / B test results. The A / B test results obtained using the above method are more stable and reliable compared to the test results obtained using only one pair of traffic groups.
Owner:BEIJING BAIDU NETCOM SCI & TECH CO LTD

Auxiliary lighting device for computer detection

The invention relates to the technical field of computer detection devices, in particular to an auxiliary lighting device for computer detection, which comprises a [-shaped frame with a downward opening end; the first stopping strip is fixedly arranged at the front end of the n-shaped frame, the outer side wall of the first stopping strip is flush with the outer side wall of the n-shaped frame, and the width of the first stopping strip is larger than that of the n-shaped frame; the second stop strip is fixedly arranged at the rear end of the [-shaped frame; the first lighting assembly is arranged on the first stop strip, a first guide groove is formed in the first stop strip, and the first lighting assembly can move in the direction limited by the first guide groove; and the second lighting assembly is arranged at the rear end of the n-shaped frame, and the bottom of the second lighting assembly is rotationally connected with the n-shaped frame. When in use, the computer case lighting device is installed outside a computer case, lighting is provided for the interior of the computer case through the first lighting assembly and the second lighting assembly, the positions of the first lighting assembly and the second lighting assembly can be changed, and therefore the computer case lighting device cannot block the sight.
Owner:JIANGSU COLLEGE OF FINANCE & ACCOUNTING

Serial port connection board and cloud computer test system

The embodiment of the utility model provides a serial port connection board and a cloud computer test system. The serial port connection board comprises a substrate, and a serial port conversion circuit, a first TypeC interface, a MicroUSB interface, a TypeA interface and a serial port interface which are arranged on the substrate; the serial port conversion circuit is connected with the first TypeC interface through a first connecting line and is connected with the MicroUSB interface through a second connecting line; the first TypeC interface is connected with the TypeA interface through a third connecting line, and the first TypeC interface is connected with the serial port interface through a fourth connecting line. In the process that the electronic equipment is tested by the test equipment, the test equipment and the tested electronic equipment can carry out reliable and high-compatibility communication under the condition that the appearance of the electronic equipment is not damaged through the serial port connecting plate.
Owner:SHENZHEN SKYWORTH DIGITAL TECH CO LTD

Method, apparatus and device for detecting automated testing of vrrp traffic switching

The application discloses an automatic test method and device for detecting vrrp traffic switching and equipment, and relates to the technical field of network communication, and comprises the following steps: according to a preset routing configuration rule, three-layer routing settings of an automatic test terminal, a first switch, a second switch, a third switch and a fourth switch are connected; the first switch and the second switch are configured to be primary and backup to each other; link detection is performed on interfaces connected with the first switch, the second switch and the third switch and interfaces connected with the first switch, the second switch and the fourth switch, and a link detection result is obtained; common vrrp computer testing is simplified to one computer testing; traffic switching testing is performed in an automatic manner; the influence of manual fault manufacturing on the normal operation of a network is avoided; fast fault detection and switching are realized; and the efficiency of detecting vrrp traffic switching is improved.
Owner:SHENZHEN FENGRUNDA TECH CO LTD

Method and system for testing stability of profile buoy mainboard

The invention relates to the field of profile buoy mainboard testing, in particular to a method and system for testing the stability of a profile buoy mainboard, and the method comprises the steps: building the connection between an upper computer testing system and a mainboard to be tested; function testing, data acquisition and processing are carried out on the to-be-tested mainboard at different working stages of the working process of the profile buoy; displaying a test result; under the condition that the performance of an upper computer testing system and hardware ports support, the upper computer testing system can be connected with a plurality of testing tools at the same time to test a plurality of mainboards at the same time, automatic testing is achieved, different mainboards are tested at different stages according to testing parameters, data can be monitored and analyzed in real time, abnormal information can be obtained in time, and the testing efficiency is improved. The pressure of data post-processing is greatly reduced, the test efficiency is improved, and the influence of human factors on the test result is reduced.
Owner:崂山国家实验室

Torque and angle testing method and system for external rotary rudder system

The invention discloses a torque and angle testing method and system for an external rotary rudder system, and belongs to the field of rudder system testing, and the method mainly comprises the steps: employing an external torque sensor to achieve the real-time monitoring of the torque of a steering engine of the rudder system; the rotation angle of the output shaft of the steering engine of the rudder system is monitored in real time by using an external angle sensor; the decoding box is used for decoding the torque and angle information monitored by the sensor, establishing an information frame and feeding back the information frame to the upper computer; and analyzing the information frame fed back by the decoding box by using upper computer test software, and displaying the torque and angle numerical values of the rudder system in real time. Real-time monitoring and displaying of the torque of the rotary steering engine and the deflection angle of the output shaft of the steering engine are achieved through the torque and angle testing method and system of the external rotary rudder system, and compared with torque and angle data fed back through internal self-detection of the rudder system, data of the external testing system are more real and reliable; real inspection of the performance of the rudder system is realized, and the test reliability, accuracy and coverage of the rudder system are improved.
Owner:SICHUAN AEROSPACE FENGHUO SERVO CONTROL TECH CO LTD

User interface test method, system, equipment and medium

The invention discloses a user interface testing method, system and device and a medium, and relates to the technical field of computer testing, and the method comprises the steps that to-be-tested embedded software in a testing request is loaded and operated in a preset software simulator; driving the preset test script to execute a test operation through the preset programmed interface, traversing the user interface and capturing a test image; comparing the test image with a reference image of a corresponding version in a preset reference image library through a structural similarity index algorithm and based on the software version information to obtain a similarity score; if the similarity score is smaller than a preset score threshold value, performing optical character recognition on the difference image, and obtaining text content and corresponding position coordinate information in the difference image; and verifying the position coordinate information based on a preset image layout integrity rule to obtain a defect type of the difference image, and generating a diagnosis report containing the defect type and the position coordinate information. And efficient testing is realized.
Owner:SINOCARE

Debugging and testing method for encryption and decryption equipment

The invention belongs to the field of data encryption and decryption, and particularly discloses a debugging and testing method for encryption and decryption equipment. According to the method, the JSON file is flexibly configured according to the debugging requirement, the upper computer test software analyzes the JSON file according to the template rule to generate the corresponding message data, and the upper computer can generate the message data which is completely the same as the equipment terminal, so that development and test personnel of the terminal equipment are not needed; the JSON file is analyzed through the upper computer to generate the required test data, the data is sent to the encryption and decryption device for encryption, the encrypted data is received, the encrypted data is forwarded to the other encryption and decryption device for decryption, the decrypted data is received, and the test result is obtained by comparing the original data generated by the upper computer with the decrypted data. As the encrypted data and the decrypted data only flow between the upper computer and the encryption and decryption equipment and do not pass through actual terminal equipment, interference factors brought by the terminal equipment are eliminated, and the simple and efficient test method for the encryption and decryption equipment is realized.
Owner:WUHAN SHIP COMM RES INST (NO 722 RES INST OF CHINA STATE SHIPBUILDING CORP)

Tablet PC Test Fixture

The present invention provides a tablet computer test fixture, and the tablet computer test fixture includes: a bracket; a carrier, the carrier is slidably connected to the bracket; a sliding structure, the sliding structure is arranged between the bracket and the carrier to form the sliding connection between the bracket and the carrier; a detection component for sending or receiving wireless signals to or from a sample to be tested, the detection component is detachably or slidably connected to the bracket to move the detection component. The operation is convenient, and the operation efficiency of the operator is improved.
Owner:SHENZHEN CENTURY FORTUNE TECH CO LTD

Computer testing device

ActiveCN309925549SSoftware engineeringComputer testing
1. Name of the product in this design: Computer testing device. 2. Purpose of this design: For testing computer hardware. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.
Owner:XIAN INT UNIV

Notebook computer detection device

This invention provides a laptop computer testing device. The laptop computer includes a lower plate and a top cover, which are rotatably connected to the lower plate. The testing device includes a frame, a base plate, a positioning plate for fixing the laptop computer, and a flip-drive mechanism. A support beam is rotatably connected to the frame via the flip-drive mechanism. A simulation component includes a fixing mechanism and a simulation element, which is mounted on the support beam via the fixing mechanism and is used to rotate the top cover. This application, through the support beam and the simulation component mounted on it, enables the laptop to stop at any angle under the drive of the flip-drive mechanism. The lifespan of the laptop's adhesive strips is automatically tested using the testing equipment, reducing errors caused by manual testing and improving the accuracy of the test results.
Owner:TECH FRONT (SHANGHAI) COMPUTER CO LTD

A laptop computer testing device and its testing method

This invention discloses a laptop computer testing device and method. The laptop computer testing device includes a base; a turntable module disposed on the base and equipped with at least one clamping module, the turntable module being configured to drive the clamping module to rotate so that the clamping module moves between a first station, a second station, a third station, and a fourth station, the clamping module being configured to fix the laptop and hold the laptop in an unfolded state of greater than or equal to 90°, the laptop being communicatively connected to a host computer; a pressing device disposed at the second station, and the pressing device being configured to press each key on the C-side of the laptop; a camera device disposed at the third station, and the camera device being configured to acquire an image of the C-side of the laptop and send it to the host computer; and a vibration testing device disposed at the fourth station, and the vibration testing device being configured to test the vibration function of the laptop's touchpad. This invention can greatly improve testing efficiency and reduce equipment footprint.
Owner:BOJIE ELECTROMECHANICAL SHANGHAI

A LAN port-based CPE device testing method and system

The application relates to the technical field of device production line testing, and particularly discloses a CPE device testing method and system based on a LAN port, wherein the system comprises an upper computer testing system, a network cable and a CPE testing service system connected with the upper computer testing system through the network cable; the upper computer testing system is used for simultaneously sending a test script and an AT test instruction to a plurality of CPE devices to be tested; and the CPE testing service system comprises the following contents. The application provides a method and system for testing CPE functions through the LAN port of the CPE, so that the USB device of the CPE is removed, and the product cost is reduced. The test system can automatically test a plurality of devices, the test efficiency is improved, a script can be customized to write different test cases, a test process can be customized, and the deployment and debugging of the test system are facilitated.
Owner:GUANGZHOU SIMWARE TELECOM CO LTD

A continuous glass fiber slipperiness testing device and method

PendingCN122306683AYarnGlass fiber
This application relates to the field of glass fiber performance testing technology, and discloses a continuous glass fiber slippage testing device and method. The device includes a tensile testing machine, linearly arranged yarn guides, a test carriage equipped with friction rollers, a track, a tension block, and a control computer. During testing, one end of the yarn to be tested is connected to the tensile testing machine, passes sequentially through the yarn guides and multiple friction rollers on the test carriage, and the other end is suspended by a tension block to provide constant tension. The computer controls a motor to pull the carriage to slide uniformly along the track, causing continuous relative sliding between the friction rollers and the yarn. The tensile testing machine records the tensile force data during the sliding process in real time and transmits it to the computer. The computer calculates the average tensile force and subtracts the weight of the tension block to obtain the friction resistance difference, thereby determining the yarn slippage. This invention can realistically simulate multi-node friction conditions, eliminate additional resistance errors caused by angular deflection, automate the testing process, and significantly improve the accuracy and objectivity of slippage testing.
Owner:SINOMA JINJING FIBERGLASS CO LTD

Test case generation method, system, electronic device and storage medium

The present application relates to a test case generation method, system, electronic device and storage medium, which are applied to the field of computer testing technology, wherein the method includes: obtaining a request message sent by a server, wherein the request message carries request data; generating a mirror request message corresponding to the request message, wherein the mirror request message carries request data; sending the mirror request message to the mirror server, wherein the mirror server and the server have the same processing process; obtaining a response message fed back by the mirror server based on the mirror request message, wherein the response message carries response data; generating a test case based on the request data and the response data. This is to solve the problem in the prior art that use case data is generated by manpower, the workload of handwriting interface test cases is large, the forming cycle of interface automation test construction is long, and the maintenance cost of interface test cases is high.
Owner:HANGZHOU QULIAN TECHNOLOGY CO LTD

Microcomputer mainboard interface plugging test device and test method

The invention relates to the technical field of computer testing, and provides a microcomputer mainboard interface plugging test device and method, the microcomputer mainboard interface plugging test device comprises a workbench and a control panel, the top of the workbench is fixedly connected with the control panel, the two sides of the workbench are symmetrically provided with a pair of first grooves, the first grooves are internally and fixedly connected with racks, and the racks are fixedly connected with the control panel. A second groove is formed in the top of the workbench, a lifting table is arranged in the second groove, a pair of sliding rails is symmetrically and fixedly connected to the top of the workbench, a plugging assembly is arranged at the top of the workbench and is in sliding connection with the sliding rails, and a first electric telescopic rod is fixedly connected to the top of the plugging assembly; according to the invention, the contact plate senses the position where the plug is inserted into the interface during working, so that the states of sliding connection and fixed connection between the mounting seat and the telescopic table are switched, and the number of types of microcomputer mainboards which can be tested by the device is increased.
Owner:NANJING JIYE INTELLIGENT MFG CO LTD

Blockchain system testing method, system, computer equipment and storage medium

ActiveCN114817038BError detection/correctionSpecific testTest efficiency
The present invention relates to the field of computer testing technology, and discloses a blockchain system testing method, system, computer device, and storage medium, including: obtaining attribute information and indicator information of a test item of the blockchain system; selecting a test case and a test script template for the test item from a preset test template library based on the attribute information of the test item; parsing the indicator information of the test item to obtain test variable data for the test item, and generating a test script for the test item based on the test variable data and the test script template for the test item; and calling the test script for the test item to perform blockchain system testing based on the test case of the test item to obtain a blockchain system test result. This method achieves test script solidification, requiring only obtaining test variable data to maintain the test script template to generate a test script, without the need to rewrite the test script for a specific test item. This method is highly flexible and greatly improves the testing efficiency of the blockchain system.
Owner:CHINA ELECTRIC POWER RESEARCH INSTITUTE CO LTD +2

Combined TP module display test fixture

The invention discloses a combined TP module display test fixture, and belongs to the technical field of module testing, the combined TP module display test fixture comprises a fixture main body, the top end of the fixture main body is fixedly provided with an exchange mechanism, and the exchange mechanism comprises a servo push rod, a moving block, a bearing plate, a positioning clamping groove, a communication module, an IO interface, a TP module and a TP flat cable. According to the invention, through cooperation of the communication module, the IO interface and the TP flat cable, a direct communication link between the TP module and the interior of the jig is established, additional connection to a computer is not needed in the test process, test data can be transmitted and processed through the communication module and the communication mainboard in the jig main body, a tester does not need to frequently raise the head to check external equipment, and the test efficiency is improved. Visual fatigue and workload in the operation process are greatly reduced, the technical problem of tedious manual operation is solved, meanwhile, the positioning clamping groove accurately limits the TP module, the servo push rod is matched to drive the moving block and the bearing plate to adjust the position, and it is ensured that the TP flat cable is accurately connected with the IO interface in a butt joint mode.
Owner:万年联创显示科技有限公司

Processor core detection method, device, storage medium and program product

The application discloses a processor core detection method and device, a storage medium and a program product, relates to the technical field of computer testing, and comprises reading and detecting the core quantity based on a plurality of preset methods, determining a core quantity test result; if the core quantity test result is test passed, determining a first pressure test result based on first pressure test of each core; if the first pressure test result is test passed, carrying out second pressure test on a high-speed interface on the basis of the first pressure test; determining a second pressure test result based on the first pressure test and the second pressure test. The application detects the core quantity from multiple aspects and multiple angles, thereby improving the accuracy and reliability of the detection of the number of processor cores; floating point operation pressure test and memory read-write pressure test are respectively carried out for each core, the processor core is comprehensively and deeply detected, and the accuracy and reliability of the stability detection of the processor core are improved.
Owner:INSPUR SUZHOU INTELLIGENT TECH CO LTD

Pressure testing method, device and equipment for general transaction interface gateway and medium

PendingCN121958083Areduce preparation timeImprove pressure measurement efficiencyError detection/correctionEngineeringFinancial transaction
The invention provides a pressure testing method, device and equipment for a general transaction interface gateway and a medium, and relates to the field of computer testing. The method comprises the following steps: automatically generating a plurality of DBF files from source data of financial services according to an automatic generation rule of the DBF files; sending the plurality of generated DBF files to a settlement account platform through a general transaction interface gateway, so that the settlement account platform processes the plurality of DBF files to obtain processing result data; and obtaining the processing result data through the general transaction interface gateway, and storing the processing result data to a target database, the target database providing a viewing function and a statistical function for the processing result data.
Owner:CSC FINANCIAL CO LTD

A function test method, device and equipment based on model simulation and a medium

The application discloses a function test method and device based on model simulation, equipment and medium, and relates to the field of computer testing. The method comprises the following steps: determining target proxy switch information of a target test function from a preset global configuration variable file; if the target proxy switch information is information indicating that the test switch of the target test function is in an open state, determining a current proxy mode corresponding to the target test function from the preset global configuration variable file; the proxy mode is an information collection mode or an information replacement mode; determining a target model configuration file based on a target test model, and performing function test on a target physical machine by using a target test method in the target model configuration file based on the proxy mode, and then recording the test result of the function test into the target model configuration file. The application enhances the method by the information collection mode and the information replacement mode, so as to achieve the purpose of collecting the method signature parameters and the return result and replacing the return value.
Owner:JINAN INSPUR DATA TECH CO LTD

Network port testing device based on flow redirection

The invention discloses a network port testing device based on flow redirection, relates to the technical field of computer testing, can realize full coverage of a single-receiving single-transmitting test on an Ethernet protocol, adopts interaction of an application layer and an Ethernet port without passing through a network protocol stack, opens protocol stack full-field configuration to a user in a command line mode, and improves the testing efficiency. And full coverage of the Ethernet data frame on the protocol is realized. The test network topology is extremely simplified, the network topology is extremely simplified by adding the flow redirection module to the link layer of the test device, a test device protocol stack is not introduced in a local area network communication test, and particularly, a plurality of routers, opposite-end equipment and the like are not introduced in a cross-network segment test, so that the test efficiency is greatly improved. And the result of the tested equipment can accurately reflect the network port communication capability of the tested equipment.
Owner:CHINA ORDNANCE EQUIP GRP AUTOMATION RES INST CO LTD

Automatic test system and method

The invention provides an automatic testing system and method, and relates to the technical field of testing. The automatic test system comprises an upper computer test unit which comprises a test demand input module, a test database module, a test case generation module, a script file generation module, a test execution module and a test analysis module, the test case generation module is used for obtaining a test case file according to the test demand data and the test database module, and the script file generation module is used for obtaining a script file according to the test case file; and the communication unit is connected with the test execution module, the test analysis module and the automobile universal controller, the test execution module is used for testing the automobile universal controller according to the script file and the communication unit, and the test analysis module obtains a test result according to test feedback information sent by the automobile universal controller. The automatic test system can achieve the technical effects of shortening the test time and improving the test efficiency.
Owner:CHINA FAW CO LTD