205results about How to "Conducive to long-term development" patented technology

The invention relates to a rapid power coordinative control method of a new energy station participating primary frequency modulation. A rapid power coordinative control system is built in a new energy plant station, the system is used for receiving a rapid power regulation instruction of a stability-control host station system and an AGC / AVC planning regulation instruction of a dispatching center, and can also be used for locally, automatically and rapidly calculating a target power in an off-line way, decomposing the target power and directly issuing the target power to various power generation units such as photovoltaic inverters and draught fans in the station through an Ethernet network, so that active power and reactive power regulation response of the new energy station within 100 milliseconds is achieved, the primary frequency modulation of a power system is participated to achieve stable system frequency and voltage, and the stability of the system and the economic running level of the new energy power station are improved.

The invention discloses a real-time intelligent analysis and management system for a customer credit self-evaluation factory. The real-time intelligent analysis and management system comprises an engineering review module, a sales module, an intelligent production management module, a transportation management module, a material supply management module, a financial management module, a data management module, an intelligent analysis module, a server and a system terminal. The invention belongs to the technical field of factory management, and particularly provides a method for monitoring theoperation state of a factory in real time based on a big data platform, making it easier for a user to issue an order according to an analysis result and in combination with an actual production demand through intelligent analysis, and realizing handheld intelligent life. The credit rating and score of the user are intelligently self-evaluated; the customer credit self-evaluation factory real-timeintelligent analysis and management system performs multi-terminal operation, electronically and automatically collects information data of a factory operation process, analyzes various data of a factory through intelligent operation of an intelligent analysis engine, grasps intelligent operation of key factors, matches industry standard values, analyzes reasons and provides suggestions.

The invention relates to a system and method for achieving OTT service quality guarantee based on user behavior analysis. The system comprises a film source quality monitoring module, a content distribution network node monitoring module, a terminal monitoring module and a failure positioning and analysis module, wherein the content distribution network node monitoring module is used for carrying out dial testing on an electronic program list and programs of a platform through a simulation terminal at each content distribution network node, and the failure positioning and analysis module is used for positioning a failure according to the monitored states of the film source quality monitoring module and the content distribution network node monitoring module when the terminal monitoring module gives an alarm. The system and method for achieving OTT service quality guarantee based on user behavior analysis monitor the operation conditions of all links of an OTT service from film source production, broadcasting control and dispatching of CDN content to user terminals in real time, rapidly find out and position a problem, improve user experience comprehensively, guarantee long-term development of the OTT core service, provide a powerful support method for achieving the enterprise operation goal, and have a wide application range.

The invention relates to a method useing cultivated silkworm fibroin heavy chain promoter to express extraneous sources protein. It can increase extraneous sources protein content to 16% which is greatly higher by using light chain protein and fhx promoter. This can broaden cultivated silkworm application field. And it can be used to easily gain transgene silkworm concoon to get purpose extraneous sources protein by feeding purpose transgene silkworm largely.

The invention relates to a method and a system for automatically switching a master station-centralized spare power source. The method comprises the following steps of: monitoring remote signaling displacement information of an enhanced message service (EMS) system in real time; when the remote signaling displacement information is monitored, starting a spare power automatic switching analysis process to obtain topological model information and mode data cross section; analyzing a network topology; judging whether a bus truly loses voltage or not under the condition that the existence of topology power loss in spare power automatic switching equipment is defined by analysis; if the bus truly loses voltage, judging whether the equipment is locked for spare power automatic switching or not according to the information of the EMS system; and if the equipment is not locked for spare power automatic switching, determining an adopted spare power automatic switching scheme by screening to perform a sequence action corresponding to the spare power automatic switching scheme. Spare power automatic switching logic analysis is performed combined with the real-time information of the EMS system, so that power supply protection reliability is enhanced and long-term development of a power supply system is facilitated.

The invention provides a transparent and toughening polylactic acid resin and method for preparing the same. The polylactic acid resin consists of polylactic acid, methyl methacrylate-butyl acrylate copolymer as the flexibilizer, citrate plasticizer, pentaerythritol toltetranitrate (Benzenepropanoic acid, 3,5-bis(1,1-dimethylethyl)-4-hydroxy-) as the antioxidant and tris (2,4-ditert-butylphenyl) phosphate. First, premix is prepared by mixing polylactic acid, flexibilizer, plasticizer and antioxidant mechanically. Then the premix is subject to melt extrusion and granulation by utilizing double-screw extruder. The above method has the advantages of increasing the anti-impact strength, tensile strength and elongation at break of polylactic acid and maintaining the transparency thereof. In addition, the viscosity of the blends is decreased, thereby remedying the defects of brittleness of polylactic acid and improving the rheological behavior of materials obviously. The impact strength is up to 60.1KJ / M2.The light transmittance and the haze of the products are 89% and 8.5% respectively when the thickness thereof is 0.04mm.The above polylactic acid resin, instead of PE and PVC, is applicable to the preparation of films, plates, sheet materials, foamings and injection moulding plastics.

The invention relates to a gas well output splitting method in the field of compact gas reservoir gas field exploitation engineering, and specifically relates to a gas well output splitting method for a compact gas reservoir at a gas collection station production mode. The method comprises the following steps: inputting parameters prepared at an early stage; calculating flowing bottomhole pressure pwfi by use of casing pressure according to a static gas column pressure formula; assuming that there is gas output q1i; by use of a single-phase vertical flow formula, calculating restrictor outlet pressure p2i; by use of the single-phase vertical flow formula, calculating restrictor inlet pressure p1i; according to the restrictor inlet pressure and the outlet pressure, by use of a nozzle flow formula, calculating restrictor output q2i; calculating the restrictor output q2i by use of the nozzle flow formula; determining an absolute value of a difference between the assumed flow q1i and the calculated output q2i falls into the scope of an allowed error delta; making i=i+1, and calculating output of a next well; and according to total output of a gas collection station and the calculated output of each single well, splitting the total output into the single wells. The method provided by the invention improves the calculation accuracy, facilitates long-term development of a gas field and enlarges the application scope.

The invention discloses a light-emitting diode (LED) epitaxial structure and a manufacturing method thereof. The LED epitaxial structure successively comprises an epitaxial substrate, a leukotriene (LT)-GaN nucleating layer, a high-temperature non-doped buffer layer, a P-GaN layer, a P-AlGaN layer, a diffusion barrier layer, a multiple quantum well (MQW) luminous layer, an InGaN current expansion layer, an N-ZnO layer and a surface-coarsened ZnO layer. The manufacturing method comprises the following steps: pre-treating the epitaxial substrate; growing the nucleating layer; growing the buffer layer; growing the P-GaN layer; growing the P-AlGaN layer; growing the diffusion barrier layer; growing the MQW luminous layer; growing the InGaN current expansion layer; growing the N-ZnO layer; and growing the surface-coarsened ZnO layer. By using the LED epitaxial structure obtained by virtue of the manufacturing method provided by the invention, an excellent electrical property and a good optical property are obtained, the internal quantum efficiency and the electronic static discharge (ESD) resistance capability are improved, the lost light caused by total reflection is lowered, the external quantum efficiency is greatly improved, a high-brightness LED is obtained, and the purposes of development and sustainable development of the LED industry are greatly promoted.

The invention relates to a coating and heating device of a large-caliber plastic-coated composite steel pipe. The coating and heating device comprises a primary heating furnace, coating mechanisms, a conduction frame and a secondary heating furnace, as well as a buffering conduction frame, wherein the conduction frame is arranged behind the primary heating furnace, two sides of the conduction frame are respectively provided with the coating mechanism, the secondary heating furnace is arranged behind the conduction frame, and the coating and heating device is characterized in that the coating mechanisms are double-directional inner adsorption coating mechanisms, and the buffering conduction frame is arranged between the conduction frame and the secondary heating furnace. The coating and heating device is scientific and reasonable in structure design, and has the advantages that high production efficiency and uniformity coating can be realized, the quality of a produced composite pipe is high, production cost is lowered, long-term development of the enterprise is facilitated, and high innovation performance is achieved.

The invention discloses a high thrust rocket high flow telemetry data processing method, aiming to solve high flow telemetry data rapidly and accurately and having a good effect in practical use. The method comprises steps of building a telemetry data preprocessing model, and selecting and classifying the telemetry data in real time; and building a bus data real-time processing model, and solving the bus data of high flow in the telemetry data in real time. The effectiveness is also verified. The model established by the method is also applicable to processing telemetry data of the rocket in active duty, and is verified accurate and efficient in actual combats of the rocket in active duty and in joint training missions of the new generation high thrust carrier rocket.

The invention discloses an auxiliary feeding device for side-stepping and board-trimming in carpentry. The auxiliary feeding device comprises a machine frame, a drive device mounted on the machine frame, and a roller platform consisting of a plurality of rollers. In addition, a pneumatic baffle plate device, a translating side-stepping device and a board-trimming pressing device are additionally arranged on the machine frame, wherein the pneumatic baffle plate device is used for preventing boards from being continuously conveyed, the translating side-stepping device is used for translating the boards to step to a side, and the board-trimming pressing device is used for stably conveying the boards to a next working procedure; and through the structural cooperation among the devices to makethe devices in compact connection, the automatic operation of the auxiliary feeding device per se is strengthened, the boards are ensured to be stably conveyed in a side-stepping manner, and the speed and the accuracy for feeding are greatly increased, the production efficiency is improved, meanwhile, the completeness of the boards is ensured.

The present invention relates to communication technology, specially relating to correcting terminal unit local zone time method and terminal unit. Said invented method includes 1, instant timing method utilizing special timing message transmission time, time of reception and retransmission time to make accuracy timing; 2, random timing method utilizing one message or continuously received at least two message receiving time and retransmission time to make compensating timing; said invention also providing terminal unit for realizing above-mentioned one or all method. Said method can be realized in terminal side without any change to network side.

The invention provides a preparation method of a high-transparency easy-to-tear polylactic acid blow-molded film. The high-transparency easy-to-tear polylactic acid blow-molded film is composed of a mixture of polylactic acid (PLA), polyterephthalic acid-adipic acid-butanediol ester (PBAT), a plasticizer acetyl tributyl citrate, a lubricant ethylene bisstearamide, an opening agent erucyl amide anda nucleating agent white carbon black. The preparation method comprises the following steps: weighing PLA, PBAT, a plasticizer, a lubricant, an opening agent and a nucleating agent in proportion, adding into a mixer, uniformly mixing, adding from a feeding hole of a double-screw extruder, carrying out melt extrusion, water cooling, pelletizing and drying to obtain special modified polylactic acidfilm-blowing resin, and carrying out water cooling blow molding film formation by a film blowing machine through a down-blowing method to obtain the high-transparency easily-torn polylactic acid blow-molded film. According to the invention, the PBAT, the plasticizer, the lubricant, the opening agent and the nucleating agent have a synergistic effect, so that the tensile elongation at break of thepolylactic acid film can be effectively improved, the polylactic acid film has high transparency, the flat wrinkle-free easy-to-tear high-transparency complete biodegradable film is obtained, the tensile strength is as high as 54.6 MPa, and when the thickness of the film is 0.025 mm, the light transmittance reaches 94% or above and the haze reaches 5.3%; and the film has good mechanical properties and excellent transparency, and can replace PE, PP, PVC and other films.

The invention discloses a comprehensive energy marketization transaction architecture and method based on a block chain. The blockchain technology is applied to the market transaction of each participant of the comprehensive energy. Based on the technical advantages of blockchain decentralization, openness, transparency, safety, credibility, information traceability, tamper resistance and the like, an equal credibility and information sharing marketization transaction architecture is established in the comprehensive energy system, and point-to-point energy transfer and transaction settlement of each participant are realized. According to the transaction architecture and method provided by the invention, an energy management mode from bottom to top can be formed in the comprehensive energysystem, and electricity, heat, cold and other energy supply and demand subjects can perform trusted transaction and scheduling without depending on a third party, thereby facilitating safe and stableoperation of the comprehensive energy system, improving the energy utilization efficiency and maximizing the benefits of each party.

The invention provides a preparation method of a PVP-modified sodium alginate / polydopamine composite nano-material. The preparation method is characterized by comprising the following steps: sprayingan aqueous solution containing sodium alginate and dopamine to a coagulating bath with pH 9-11 and containing polyvinylpyrrolidone (PVP), CaCl2 and trihydroxymethyl aminomethane, centrifuging and separating, and washing to obtain the PVP-modified sodium alginate / polydopamine composite nano-material. In vitro / in vivo biosecurity experiments and cancer therapy experiments prove that the PVP-modifiedsodium alginate / polydopamine composite nano-material has excellent biocompatibility, phototherapeutic ability and photothermal therapy and chemotherapy combined treatment ability.

The invention discloses a bombyx mori fibroin heavy chain expression system for fibroin and sericin expressing a target protein, and a preparation method and application of the bombyx mori fibroin heavy chain expression system. The expression system contains a fibroin heavy chain promoter 3 at the 5' end and an expression cassette of a heavy chain gene poly(A) sequence at the 3' end. The system isused to express a foreign protein, through the identification and detection analysis of transgenic bombyx mori, it is found that the presence of EGFP is detected in both the silk gland and the silk,and EGFP is also distributed in the sericin layer in the silk, so that the result indicates that in the absence of the C-terminal, the N-terminal is not an essential factor for the formation of the silk, and the absence of the C-terminal can make the protein be distributed in the sericin layer. The analysis of the N-terminal of fibroin provides an experimental and theoretical basis for the silk formation mechanism of the silk, and is conducive to creating a really practical bombyx mori silk gland bioreactor, maintaining the sustainable development of the silk industry, and promoting the long-term development of sericulture and insect science in China.

The invention provides an unmanned electric vehicle automatic charging method. The method comprises the following steps that an unmanned driving route for an electric vehicle is set, then an electricquantity detection module arranged on the electric vehicle checks the residual electricity quantity of a vehicle-mounted battery pack and starts a charging station matching module when the residual electric quantity cannot meet the mileage of the set driving route, and the charging station matching module is used for searching for charging stations along the driving route according to the set driving route and selecting the charging station with the optimal distance; each charging station comprises at least one charging pile, each charging pile can send out an available signal to a nearby unmanned electric vehicle which needs to be charged when the charging pile is idle, the electric vehicle sends an access signal to a certain idle charging pile, and the electric vehicle drives into a parking position corresponding to the charging pile after the charging protocol is reached; and after the charging pile confirms that the electric vehicle reaches the designated parking position, a confirmation signal is sent to the electric vehicle, the electric vehicle automatically enters in P gear and opens a charging interface to enable a charging plug of the charging pile to be connected.

The invention provides a wearable rehabilitation state monitor in order to improve rehabilitation training signal processing precision and reduce noise mixed in signals. The monitor comprises a flexible band, a rehabilitation information detection device, a communication unit and a remote rehabilitation information monitoring server. The rehabilitation information detection device and the communication unit can be fixed to a to-be-monitored person in a wearable mode by means of the flexible band. By means of the monitor, aliasing and interference of excitation signals on electromyography signals can be avoided, the defect that existing rehabilitation training conditions are mainly manually judged is greatly overcome, and a remote rescue center can know in time and quickly respond to the situations where rescue is needed when rehabilitation training people are at home or on other occasions where on-site monitoring is unavailable.

The invention discloses a stereoscopic planting and breeding method for a fruit farm. The stereoscopic planting and breeding method comprises the following steps: building a poultry house at the edge of the fruit farm, dividing spaces for freely breeding livestock in the fruit farm through mesh fences, and collecting and stacking livestock manures to prepare manure fertilizers; regularly finishing the land with fruit trees to keep the land loose and regularly watering the land; pruning fruit branches, making illumination sufficient to increase the single weight of fruits and guarantee the ground illumination between fruit tree plants; in the early spring, applying a proper amount of nitrogen and phosphorus fertilizers in a manner of buried fertilizer application to the ground around the brown of each fruit tree, and in the medium stage, applying manure fertilizers; before the summer every year, planting vegetables or medicinal material crops in the empty land in the fruit farm; in the middle summer, planting golden cicada seedlings under the trees, and waiting for harvesting. Stereoscopic planting and breeding is realized by fully using the space in the fruit farm, and interplanting of the vegetables or medicinal materials or breeding of golden cicada are carried out, so that the fruiting quality is guaranteed, and the income of planting and breeding farmers is met; the contradiction of short-term benefits and long-term development is solved, the food safety and the environmental pollution are solved, and long-term development of the planting and breeding farmers is facilitated.

The invention discloses automatic forming equipment of a brake block. The automatic forming equipment comprises a first work table. A second work table is arranged on one side of the first work table.A third work table is arranged on the side, away from the first work table, of the second work table. A first waste basket is arranged between the second work table and the third work table. A secondwaste basket is arranged on the side, away from the second work table, of the third work table. A mold is mounted at the top end of the first work table. A press mold is arranged above the mold. Thetop end of the press mold is connected with an air cylinder. An image scanner is arranged at the top end of the second work table. A first single-chip microcomputer is arranged above the image scanner. The automatic forming equipment is simple in structure and convenient to implement; the image scanner and a pressure sensor are utilized for detecting the size and weight of the brake block; products with quality substandard are screened out; the overall quality of outgoing products of companies is improved; the reputation and image of the companies are improved; and permanent development of thecompanies is facilitated.

The invention discloses a stereoscopic planning and breeding method for fruit frees and cryptotympana atrata fabricius.The method comprises the steps of conducting periodical soil preparation on land where the fruit trees are planted to maintain the land loose, and conducting trickle irrigation for watering; pruning fruit branches so as to guarantee sufficient illumination, raise the weight of a single fruit and guarantee illumination of the inter-plant ground of the fruit trees; in early spring, conducting burying type fertilizing on the ground at the periphery of a crown of each fruit tree, applying a proper amount of nitrogen-phosphate fertilizer, and applying manure from peasant families during the middle period; before summer comes in each year, planting vegetables or medicinal material crops on the vacant land among the fruit trees; during the middle period of summer, placing cryptotympana atrata fabricius eggs under the trees, and waiting for the harvesting period for harvesting.According to the method, soil preparation, pruning and fertilizer application are conducted, short-term industrial crops such as the vegetables or the medicinal materials are interplanted, and cryptotympana atrata fabricius is bred, so that quality of borne fruits is guaranteed and earnings of a farmer household are met; the contradiction between the short-term yield and long-term development is overcome, the problems of food safety, environmental pollution and the like are solved, and it is beneficial to long-term development of the farmer household.

The invention discloses an electric automobile optimization scheduling method based on an alternating direction multiplier method and belongs to the field of electric automobile optimization scheduling. The achievement method comprises the following steps of: firstly, establishing an electric automobile charging model considering the feeder capacity constraint of a power distribution network; secondly, establishing a charging scheduling optimization problem considering the feeder capacity constraint; and finally, solving the charging scheduling optimization problem by utilizing an electric automobile optimization scheduling method based on an alternating direction multiplier method to obtain an electric automobile optimal charging scheme, wherein the electric automobile optimal charging scheme cannot influence the voltage level of the power distribution network under the consideration of the benefit of the electric automobile, and peak clipping and valley filling can be achieved through reasonable scheduling of the electric automobile, so that the balanced development of the electric automobile and the power grid is facilitated. The balanced development means that: (1) the loss ofbatteries caused by mass charging of the electric automobile can be reduced; (2) voltage drop of the distribution network caused by mass charging of the electric automobile is avoided.

The invention discloses an energy-saving and environment-friendly street lamp with double utilization and complementation of solar energy and wind energy. The street lamp comprises a street lamprod,a base is arranged at the bottom of the street lamprod, one end of a cross beam is connected with the top of the street lamprod, and the other end of the cross beam is provided with an illuminating lamp; a wind power generation device is fixedly connected with the upper portion of the right side of the cross beam, and the wind power generation device comprises a longitudinal support rod; and the longitudinal support rod is fixedly connected with the cross beam, the top of the longitudinal support rod is rotatably connected with a rotating base, and the interior of the rotating base is fixedly connected with a generator. Compared with the prior art, the energy-saving and environment-friendly street lamp with double utilization and complementation of solar energy and wind energy has the beneficial effects that the position and the angle of a photovoltaic solar panel are changed along with the change oftime through a timer, it can be always ensured that the sunlight shines vertically, the solar energy can be absorbed more effectively, the surface area of the solar energy absorption is increased, in this way, environmental protection and energysaving are achieved, long-term development of human can be ensured, in addition, and the energy-saving and environment-friendly street lamp also adopts the wind power generation device to be matched with the solar photovoltaic panel for being matched with the solar energy to generate electricity, so thatillumination is guaranteed.

The invention discloses a full degradable magnetic self-rotation bionic bait material. The full degradable magnetic self-rotation bionic bait material is prepared from the following raw materials: polylactic acid, carbon dioxide-based thermoplastic polyurethane, a food attractant, modified magnetic starch, a guayule rubber emulsion, a pigment and pearl powder. The full degradable magnetic self-rotation bionic bait material disclosed by the invention is fully-degradable, has contribution to environment protection, meanwhile has a controlled-release function and a function of realizing dietary long-term induction. The full degradable magnetic self-rotation bionic bait material has the advantages of simple process, low cost, capability of realizing biodegradability, the fish and shrimp shapedbait prepared from the material has magnetic property in water, so that the fish and shrimp shaped bait can swing free under the actions of magnetic field and buoyance in water, simulates the escaping state of the fish, achieves the effect of live bionic bait, and is environmentally friendly, and a fisher does not need rich experience. The bionic bait material is easy to use. After the bionic bait material is put to a fishing point, only a fishing pole needs to be lifted after fish is caught without adjustment, so that time is saved, and the fishing efficiency is improved.

The invention belongs to the technical field of anti-oxidation spraying equipment, and discloses an anti-oxidation spraying device and method for an anode carbon block for the aluminum electrolysis. The anti-oxidation spraying device for the anode carbon block for the aluminum electrolysis comprises a supporting framework and a carbon block work platform arranged at the lower side of the supporting framework, spraying units are arranged on the four side faces of the supporting framework, each spraying unit comprises a spraying device body and a moving mechanism which connects a spraying gun of the spraying device body and the supporting framework, a transverse sliding table and a longitudinal sliding table of each moving mechanism are provided with patches, a driving lug is provided with a proximity switch matched with the patches, a PLC system is used for controlling forward and backward rotation of lifting motors and transversely-moving motors and controlling the limit motions of the proximity switch and the patches, and accordingly the longitudinal sliding tables and spraying supports are adjusted to carry out spraying in an S shape. The anti-oxidation spraying device and method for the anode carbon block for the aluminum electrolysis achieve the technical purpose of automatic electric arc spraying of aluminum coatings for the anode carbon block, improve work efficiency, save expenses, and avoid damage to the human body by smoke dust, harmful gas, noise and the like caused by electric arc spraying.

The invention discloses a small-size neodymium iron boron automatic magnetic flux detector. The small-size neodymium iron boron automatic magnetic flux detector comprises a frame body, wherein a control display screen, a pushing handle structure and a detecting structure are arranged on the frame body, and the pushing handle structure and the detecting structure are connected with the control display screen. The small-size neodymium iron boron automatic magnetic flux detector is simple in structure, largely improves working efficiency, and lowers labor cost.

The invention discloses a bombyx mori silk heart protein heavy-chain expression system with expression protein distributed on a bombyx mori silk glue layer and a preparation method and an applicationthereof, the bombyx mori silk heart protein heavy-chain expression system contains a target gene expression cassette, and the 5'end of the expression cassette is a signal peptide sequence of a bombyxmori silk heart protein heavy chain promoter 3; the 3'end is a heavy chain gene poly (A) sequence; when the system is used for expressing the target protein, the target protein only exists in a sericin layer and is not expressed in a silk fibroin layer, so that the system can be used for expressing the target protein in the sericin layer, the creation of a real and practical bombyx mori silk glandbioreactor is facilitated, and the long-term development of silkworm science and insect discipline in China is promoted; and experimental and theoretical bases are provided for the silk forming mechanism of the silk.

The invention discloses an intelligent pump station management platform which comprises a pump station management subsystem, an operation and maintenance management subsystem, a user management subsystem, an installation management subsystem and an external information communication subsystem. According to the invention, the pump station management subsystem is adopted to realize the remote unified management and effective monitoring of all pump stations, and the external information communication subsystem provides the external data support and the internal data sharing approaches, besides, the user management subsystem and the installation management subsystem are used for executing an automatic installation process on the online application of the pump stations, and the operation and maintenance management subsystem is used for realizing the rapid troubleshooting of the abnormal pump stations, so that the installation personnel and the operation and maintenance personnel are effectively managed.

The invention discloses a data processing method and device. The data processing method comprises the steps of obtaining community data of a community user in a community application; obtaining participation data of other community users for information issued by the community user from the community data; and obtaining integral accumulation data of the community user according to the participation data and a preset user integral strategy. According to the method and the device, the community user is prompted to issue topics or comments of high value, the community user is prevented from carrying out many single-side operations or issuing many topics or comments of low value, thereby facilitating long-term development of the community application and improvement of the quality of the community application.