CN109151011A - Smart city data-sharing systems - Google Patents
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- H—ELECTRICITY
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Abstract
The present invention relates to a kind of smart city data-sharing systems, it includes cloud data service platform and smart city subsystem with communication connection, smart city subsystem includes internet of things equipment and internet of things data platform, and internet of things data platform includes data processing module and data proxy module.Relevant smart city subsystem is divided into data producer and data application side according to the data service request received by the data mediator server in cloud data service platform.The data requirements information that data mediator server receives the metadata of the available data streams sent by data producer and sent by data application side, then matches data application side with the data producer for meeting its demand.Data mediator server generates producer configuration and the configuration of application side, and transmits it to corresponding internet of things data platform；Pairing based on identification, data producer and data application side establish peer to peer connection, to realize the Real time data share between the subsystem of smart city.
Description
Technical field
The present invention relates to Internet of Things and data processing field more particularly to a kind of smart city data-sharing systems.
Background technique
Smart city is Internet of Things and the product that digital city combines, and provides intellectual analysis on the basis of big data in city
And intelligent Service, the collection, storage and analysis processing technique of smart city mass data are studied, for smart city data mining
Have great importance with wisdom decision.Urban Data is distributed in the information system that original each department's dispersion is established more at present
In, comprehensive analysis service is realized by being aggregated into data center after data pick-up, but the data summarized after integration can be regularly
There is the problems such as difficult matching, inconsistent, information redundancy, it is difficult to the effectively Multidimensional decision-making analysis of auxiliary smart city, therefore, from complete
Office's management is set out using the angle of Urban Data, establishes shared resources, subject-oriented, convenient for application, the data volume of flexible expansion
System is the key that promote smart city operational efficiency.
As only flowed in single system, value only plays the various data acquired in each department in smart city
10% less than.Smart city data only have the boundary for breaking through triangular web, as much as possible from flowing in a system
System is shared, the maximization of ability realized value.Internet of Things generates mass data, these data are not only to possessing or operate generation
The tissue of the internet of things equipment of data and also useful to its hetero-organization.For example, by the internet of things sensors of intelligent lighting system
The flow of the people and vehicle flowrate data detected is also useful for intelligent transportation system and security system.Therefore, between each tissue
Need shared data in time.The data sharing scheme of existing smart city system are as follows: the subgroup of each smart city system
It knits and the collected data of its internet of things equipment is all transferred to cloud data center, then each subgroup is knitted asks from cloud data center again
The data of other tissue samplings are sought, to support its specific intelligent use.Data need to generate multiple data using tissue
The data flow of tissue is combined, however has only used the partial data in individual traffic, it is therefore desirable to a large amount of manpower
To carry out across data stream filtering and aggregated data.Therefore existing technical solution causes the waste of bandwidth, it is also desirable to very high
Human cost.
Summary of the invention
For the deficiencies of the prior art, the present invention provides a kind of smart city data-sharing systems comprising has logical
Believe the cloud data service platform and smart city subsystem of connection, the smart city subsystem includes wisdom traffic system, intelligence
Intelligent lighting system, wisdom security system and wisdom environmental monitoring system, the smart city subsystem include internet of things equipment and
Internet of things data platform, the internet of things data platform include data processing module and data proxy module,
Data mediator server in cloud data service platform is according to the data service request received by relevant wisdom
City subsystem is divided into data producer and data application side,
Data mediator server receives the metadata of the available data streams sent by data producer and by data application
Then the data requirements information just sent matches data application side with the data producer for meeting its demand, the number
According to the selection that demand information includes to each data field associated with multiple data flows,
Data mediator server generates producer configuration and the configuration of application side, and transmits it to corresponding internet of things data
Platform；Pairing based on identification, data producer and data application side establish peer to peer connection, to realize smart city subsystem
Between Real time data share comprising:
Data mediator server in response to data application side request of data and made accordingly according to its data requirements information
Data field is selectively sent to data application side by data producer, and data application side will be received from multiple data producers
To data flow data field be assembled into for specify smart city apply single target data flow.
According to a preferred embodiment, the wisdom traffic systematic difference includes real time traffic data publication and road
Traffic guiding, the application of the intelligent lighting system include administration of energy conservation and lamp networking positioning, and the wisdom security system is answered
With including long-range monitoring and safeguard information publication, the application of the wisdom environmental monitoring system includes that pollutant monitoring and environment are believed
Breath publication.
According to a preferred embodiment, the metadata of the available data streams includes: data type, and data rate is received
Collect the information of the internet of things equipment of data, the information of the internet of things equipment includes geographical location, manufacturer, model, sequence number
And measurement accuracy；
The data requirements information further include: geographical location information when data type, data rate and collection data
And temporal information.
According to a preferred embodiment, producer configuration generated by data mediator server and send it to
The associated data producer of single data service, the producer are configured to mark data application side and specify by data
The selected data field for the data flow that producer provides；
Application side's configuration is generated by data mediator server and is sent it to associated with single data service
Data application side, the application side are configured to identify the data producer by data stream transmitting to data application side and specify
Mapping policy when defeated data are mapped to single target data flow will be spread.
According to a preferred embodiment, data mediator server generates security token and by it together with data application side
Network address is sent to data producer together, and the agent data module in data producer is according to security token and network address
Peer to peer connection is established with data application side.
According to a preferred embodiment, after establishing peer to peer connection, data producer is according to the configurating filtered original of producer
The data field selected in data requirements information is simultaneously sent to data application side by beginning data flow；
Data application side receives the data flow from data producer, is then received by agent data module by each
Data flow be combined into single target data flow.
According to a preferred embodiment, data mediator server includes communication module, subscriber interface module, configuration creation
Device, supply and demand information bank and industry profile library, wherein
The supply and demand information bank be used for store available data streams metadata and each smart city subsystem needed for number
According to the metadata of stream,
Industry profile library is used to store the identification information of each smart city subsystem,
The configuration creator is for generating producer configuration and the configuration of application side.
According to a preferred embodiment, the agent data module in the internet of things data platform includes data filtering list
Member, data field map unit, data format unit and communication unit.
The invention has the following advantages:
Data mediator server in cloud data service platform is according to the data service request received by relevant wisdom
City subsystem is divided into data producer and data application side.Data mediator server is sent out according to what is received by data producer
The metadata for the available data streams sent and the generation producer configuration of data requirements information and application sent by data application side
Side's configuration, and transmit it to corresponding internet of things data platform；Pairing based on identification, data producer and data application side
Peer to peer connection is established, to realize the Real time data share between the subsystem of smart city.Therefore, the present invention can will belong to not
The demand applied with the internet of things data generated in the smart city subsystem of Departmental organization according to smart city is counted in real time
According to shared.Since this real-time data sharing is by establishing peer to peer connection directly between different smart city subsystems to select
Property transmitting data stream effectively saved bandwidth compared to traditional data sharing scheme and there is quickly response speed.
In addition, data application side can assemble the data field of the multiple data flows received from multiple data producers
At the single target data flow for specifying smart city to apply, a large amount of manpower is not needed to carry out across data stream filtering and gather
Data are closed more conducively to promote and apply to significantly reduce cost of labor.
Detailed description of the invention
Fig. 1 shows the system block diagram of smart city data-sharing systems of the invention；
Fig. 2 shows the system block diagrams of the smart city data-sharing systems of one embodiment in the present invention.
Specific embodiment
In order to make the objectives, technical solutions and advantages of the present invention clearer, With reference to embodiment and join
According to attached drawing, the present invention is described in more detail.It should be understood that these descriptions are merely illustrative, and it is not intended to limit this hair
Bright range.In addition, in the following description, descriptions of well-known structures and technologies are omitted, to avoid this is unnecessarily obscured
The concept of invention.
It should be noted that " the data producer " and " data application side " in the present invention, which is respectively used to generation, refers to generation data
With the internet of things data platform of application data, can mutually be converted in different practical situations, in short, in single
In data service procedure, the internet of things data platform for sending data flow is data producer, receives the internet of things data of data flow
Platform is data application side.
As shown in Figure 1, the present invention provides a kind of smart city data-sharing systems comprising have the cloud of communication connection
Data service platform and smart city subsystem.Smart city subsystem includes wisdom traffic system, intelligent lighting system, wisdom
Security system and wisdom environmental monitoring system.Smart city subsystem includes internet of things equipment and internet of things data platform, Internet of Things
Network data platform includes data processing module and data proxy module.
Data mediator server in cloud data service platform is according to the data service request received by relevant wisdom
City subsystem is divided into data producer and data application side.Data mediator server is received can be used by what data producer was sent
Then the metadata of data flow and the data requirements information sent by data application side data application side and will meet its demand
Data producer matched, data requirements information includes the choosing to each data field associated with multiple data flows
It selects.
Data mediator server generates producer configuration and the configuration of application side, and transmits it to corresponding internet of things data
Platform；Pairing based on identification, data producer and data application side establish peer to peer connection, to realize smart city subsystem
Between Real time data share comprising: data mediator server in response to data application side request of data and according to its number
Make corresponding data producer that data field are selectively sent to data application side according to demand information, data application side will be from
The data field for multiple data flows that multiple data producers receive is assembled into the single mesh for specifying smart city to apply
Mark data flow.
Illustratively, wisdom traffic systematic difference includes real time traffic data publication and road traffic guiding, and wisdom is shone
Bright systematic difference includes administration of energy conservation and lamp networking positioning, and the application of wisdom security system includes long-range monitoring and safeguard information
Publication, the application of wisdom environmental monitoring system include that pollutant monitoring and environmental information are issued.
The invention avoids big bandwidth demand and the wastings of resources caused by centralised storage in prior art, and make
Obtaining data-sharing systems has better scalability.In addition, the present invention does not need a large amount of manpower flow through across data
Filter and aggregated data more conducively promote and apply to significantly reduce cost of labor.
Embodiment 1
Fig. 2 is the system block diagram of the smart city data-sharing systems of the present embodiment, it should be noted that in order to concise clear
The technical solution feature of the embodiment is given expression to clearly, and cloud data service platform and smart city subsystem are omitted in figure, and
Its specific composition structure is respectively adopted to illustrate technical solution of the present invention.
In the present embodiment, it is data producer positioned at the internet of things data platform on left side and right side, is located in the middle and connects
The internet of things data platform for receiving data flow is data application side.In order to make it easy to understand, the embodiment can be regarded as to execute intelligence
Data-sharing systems schematic diagram when the long-range monitoring application of intelligent security system, intermediate internet of things data platform belong to wisdom peace
The internet of things data platform of anti-system, left and right side is belonging respectively to wisdom traffic system and intelligent lighting system.It should be understood that
, smart city data-sharing systems usually may include any number of internet of things data platform, and each individual
Internet of things data platform can usually serve as data producer or data application side.In addition, the quantity of internet of things equipment is logical in figure
Be for often it is multiple, in order to express it is convenient exemplarily only show part internet of things equipment, therefore this should not be regarded as to this
The limitation of invention.
In the data-sharing systems of smart city, the multiple internet of things equipment for being connected to internet of things data platform include but not
It is limited to audio & video equipment, environmental sensor and monitoring device (for example, temperature sensor, pressure sensor, flow sensor and phase
The warning system of pass) and fixed or mobile computing device.Data processing module in each internet of things data platform can be located
Reason is analyzed from the received initial data of corresponding internet of things equipment.In addition, the agent data in each internet of things data platform
Module with data mediator server for being communicated and carrying out data exchange with other internet of things data platforms.
For serving as the internet of things data platform of data producer, agent data module is by the member about available data streams
Data are sent to data mediator server.The metadata may include data type, data rate, about the Internet of Things for collecting data
The information of net equipment, the information of internet of things equipment include their position, manufacturer, model/sequence number and measurement accuracy.Class
As, for serving as the internet of things data platform of data application side, data requirements information is transferred to data by agent data module
Intermediary server, aforementioned data demand information include the selection to each data field associated with multiple data flows, furthermore
Geographical location information and temporal information when data requirements information further includes data type, data rate and collects data.
After the data service request and data requirements information that data mediator server receives the transmission of data application side,
Data application side is matched with the data producer for meeting its demand.Further, data mediator server generates production
Side's configuration and the configuration of application side, and transmit it to corresponding internet of things data platform.
Producer configuration is generated by data mediator server and sends it to data associated with single data service
Producer, producer are configured to the selected data of mark data application side and the specified data flow provided by data producer
Field.
It is generated using side's configuration by data mediator server and sends it to data associated with single data service
Using side, be configured to identify using side the data producer of data stream transmitting to data application side and specifying will be spread it is defeated
Mapping policy of data when being mapped to single target data flow.
In order to make specified data producer connect and carry out data transmission with data application side, data mediator server is raw
It is sent to data producer together together with the network address of data application side at security token and by it, the number in data producer
Peer to peer connection is established according to security token and network address and data application side according to proxy module.Preferably, security token is set
The security token for being set to and expiring after a specific amount of time, and update is sent periodically to data application side and data are raw
Production side is to re-establish connection.
After establishing peer to peer connection, data producer according to the configurating filtered original data stream of producer and is believed data requirements
The data field selected in breath is sent to data application side.Data application side receives the data flow from multiple data producers.
It is configured based on application side, each data flow received is combined into single target data by the agent data module of data application side
Stream, so that internet of things data platform further uses.
Data mediator server includes communication module, subscriber interface module, configuration creator, supply and demand information bank and industry letter
Shelves library.
Supply and demand information bank be used for store available data streams metadata and each smart city subsystem needed for data flow
Metadata.
Industry profile library is used to store the identification information of each smart city subsystem, for example, affiliated industry/tissue,
Manage the information of the data type of region, size of the organization, the internet of things equipment type of its internal operation and/or acquisition.It should illustrate
Although supply and demand information bank and the simple library of client are described separately, they can also be integrated into single database,
In this case, belong to the different classifications in database.
Configuration creator is for generating producer configuration and the configuration of application side.Communication module is used for from internet of things data platform
Receive the metadata of data service request, data requirements information and available data streams.In addition, communication module can also be configured
To be sent to internet of things data platform by security token, producer configuration, using side's configuration, and mentioned for internet of things data platform
For user interface.Subscriber interface module generates the user interface for information or solicited message to be presented to platform user.
Internet of things data platform includes data processing module and data proxy module, wherein agent data module includes number
According to filter element, data field map unit, data format unit and communication unit.
Incoming original data stream can be adjusted in data processing module, filter, polymerization, average and/or resampling.
In addition, data processing module can analyze and handle data, when serving as data producer, initial data and/or processed
Data can be passed to agent data module to be used for transmission other internet of things data platforms.Correspondingly, number is being served as
When according to application side, agent data module may be forwarded to data processing from the data flow that other internet of things data platforms receive
Module is handled and is analyzed, or is stored in the permanent memory of internet of things data platform in case using in the future.
Communication unit in agent data module be used for data mediator server communication and with other internet of things data
Platform establishes peer to peer connection.
When as data producer, data filtering units can be based on the configurating filtered original data stream of producer, thus
It obtains only including data field selected in data requirements information.
When as data application side, it is single that data field mapping is transferred to via the data flow that communication unit receives
Member, data field map unit can configure the data field polymerizeing in multiple data flows according to application side to generate single target
Data flow.Data format unit is for executable unit's conversion, Data Format Transform of the data type conversion to receive
For format needed for target data stream.Furthermore data format unit is also used to be corrected the time, is used to ensure each
Time point belonging to data sample is consistent.
Embodiment 2
As the improvement and supplement of embodiment 1, the internet of things equipment tool of the gateway of internet of things data platform and its connection
There is out-of-band communication system.The gateway of internet of things data platform passes through the band that Web broadcast gateway is communicated with corresponding internet of things equipment
Outer wireless beacon, this includes token with outer wireless beacon.At work, gateway receives encryption grouping, and gateway is close using disclosing
Aforementioned encryption packet deciphering is intermediate payload by key, is then by the decryption of intermediate payload using aforementioned token by gateway
The grouping of decryption.
Specifically, out-of-band communication system can be RF transmitter, and aforementioned public-key cryptography corresponds in multiple internet of things equipment
Certificate.By using the technical solution, the gateway of internet of things equipment and internet of things data platform carries out normal communication and needs together
When meet the following conditions: 1, effective broadcast communication that there is internet of things equipment out-of-band communication system 2, internet of things equipment to be located at gateway
In distance range；3, internet of things equipment has corresponding certificate.
In this way, could there is internet of things equipment with internet of things data platform when only meeting aforementioned 3 conditions at the same time
The communication of effect ground, thus efficiently avoid unrelated network equipment attack internet of things data platform or with internet of things data platform into
Row data interaction.Since often safety verification measure is insufficient for existing internet of things equipment, which is substantially increased
The Network Communicate Security of internet of things data platform, to improve entire smart city data-sharing systems Information Security and have
Effect property.
The above description is merely a specific embodiment, but simultaneously difference is limited to this to protection scope of the present invention, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. a kind of smart city data-sharing systems, which is characterized in that it includes the cloud data service platform with communication connection
With smart city subsystem, the smart city subsystem includes wisdom traffic system, intelligent lighting system, wisdom security system
With wisdom environmental monitoring system, the smart city subsystem includes internet of things equipment and internet of things data platform, the Internet of Things
Network data platform includes data processing module and data proxy module,
Data mediator server in cloud data service platform is according to the data service request received by relevant smart city
Subsystem is divided into data producer and data application side,
Data mediator server receives the metadata of the available data streams sent by data producer and is sent out by data application side
Then the data requirements information sent matches data application side with the data producer for meeting its demand, the data need
Seeking information includes the selection to each data field associated with multiple data flows,
Data mediator server generates producer configuration and the configuration of application side, and it is flat to transmit it to corresponding internet of things data
Platform；Pairing based on identification, data producer and data application side establish peer to peer connection, thus realize smart city subsystem it
Between Real time data share comprising:
Data mediator server in response to data application side request of data and corresponding data are made according to its data requirements information
Data field is selectively sent to data application side by producer, and data application side will receive multiple from data producer
The data field of data flow is assembled into the single target data flow for specifying smart city to apply.
2. smart city data-sharing systems according to claim 1, which is characterized in that the wisdom traffic system is answered
With including real time traffic data publication and road traffic guiding, the application of the intelligent lighting system includes that administration of energy conservation and lamp join
Net positioning, the application of the wisdom security system include long-range monitoring and safeguard information publication, the wisdom environmental monitoring system
Application include that pollutant monitoring and environmental information are issued.
3. smart city data-sharing systems according to claim 1 or 2, which is characterized in that the available data streams
Metadata includes: data type, and data rate collects the information of the internet of things equipment of data, the information of the internet of things equipment
Including geographical location, manufacturer, model, sequence number and measurement accuracy；
The data requirements information further include: data type, data rate and collect data when geographical location information and when
Between information.
4. smart city data-sharing systems according to claim 3, which is characterized in that the producer configuration is by data
Intermediary server generates and sends it to data producer associated with single data service, and the producer is configured to
The selected data field of mark data application side and the specified data flow provided by data producer；
Application side's configuration is generated by data mediator server and sends it to data associated with single data service
Using side, the application side is configured to identify the data producer of data stream transmitting to data application side and specifies and will flow
The data of transmission are mapped to mapping policy when single target data flow.
5. smart city data-sharing systems according to claim 4, which is characterized in that the data mediator server is raw
It is sent to data producer together together with the network address of data application side at security token and by it, the number in data producer
Peer to peer connection is established according to security token and network address and data application side according to proxy module.
6. smart city data-sharing systems according to claim 5, which is characterized in that after establishing peer to peer connection, number
According to the configurating filtered original data stream of producer and the data field selected in data requirements information is sent to number according to producer
According to application side；
Data application side receives the data flow from data producer, then passes through agent data module for each number received
Single target data flow is combined into according to stream.
7. smart city data-sharing systems according to claim 6, which is characterized in that the data mediator server packet
Include communication module, subscriber interface module, configuration creator, supply and demand information bank and industry profile library, wherein
The supply and demand information bank be used for store available data streams metadata and each smart city subsystem needed for data flow
Metadata,
Industry profile library is used to store the identification information of each smart city subsystem,
The configuration creator is for generating producer configuration and the configuration of application side.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810911222.7A CN109151011B (en) | 2018-08-11 | 2018-08-11 | Smart city data sharing system |
| CN201911115138.5A CN110855783B (en) | 2018-08-11 | 2018-08-11 | Smart city data system based on big data |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810911222.7A CN109151011B (en) | 2018-08-11 | 2018-08-11 | Smart city data sharing system |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911115138.5A Division CN110855783B (en) | 2018-08-11 | 2018-08-11 | Smart city data system based on big data |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109151011A true CN109151011A (en) | 2019-01-04 |
| CN109151011B CN109151011B (en) | 2020-02-11 |
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| CN110611668A (en) * | 2019-09-09 | 2019-12-24 | 江西航天鄱湖云科技有限公司 | Freely-configurable Internet of things monitoring method and device, storage medium and equipment |
| CN110633297A (en) * | 2019-09-12 | 2019-12-31 | 苏州百宝箱科技有限公司 | Smart city data sharing system |
| CN111553826A (en) * | 2020-04-29 | 2020-08-18 | 广元量知汇科技有限公司 | Smart city data processing method |
| CN111553600A (en) * | 2020-04-29 | 2020-08-18 | 广元量知汇科技有限公司 | Big data-based smart city business distribution system |
| CN111652374A (en) * | 2020-05-20 | 2020-09-11 | 广州中国科学院计算机网络信息中心 | Smart city perception equipment resource management method and system |
| CN112613278A (en) * | 2020-12-24 | 2021-04-06 | 中天众达智慧城市科技有限公司 | Municipal equipment monitoring information processing system and municipal equipment monitoring information processing method |
| CN113010797A (en) * | 2021-04-15 | 2021-06-22 | 王美珍 | Smart city data sharing method and system based on cloud platform |
| CN113077633A (en) * | 2021-02-24 | 2021-07-06 | 克拉玛依油城数据有限公司 | Novel smart city system and application method thereof |
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| CN111464657A (en) * | 2020-04-21 | 2020-07-28 | 阿拉拇 | Smart city data system based on big data |
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| CN110611668A (en) * | 2019-09-09 | 2019-12-24 | 江西航天鄱湖云科技有限公司 | Freely-configurable Internet of things monitoring method and device, storage medium and equipment |
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| CN111553600B (en) * | 2020-04-29 | 2021-01-12 | 江西融合科技有限责任公司 | Big data-based smart city business distribution system |
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| CN111652374A (en) * | 2020-05-20 | 2020-09-11 | 广州中国科学院计算机网络信息中心 | Smart city perception equipment resource management method and system |
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| CN112613278A (en) * | 2020-12-24 | 2021-04-06 | 中天众达智慧城市科技有限公司 | Municipal equipment monitoring information processing system and municipal equipment monitoring information processing method |
| CN112613278B (en) * | 2020-12-24 | 2024-05-17 | 中天众达智慧城市科技有限公司 | Municipal equipment monitoring information processing system and municipal equipment monitoring information processing method |
| CN113077633A (en) * | 2021-02-24 | 2021-07-06 | 克拉玛依油城数据有限公司 | Novel smart city system and application method thereof |
| CN113010797A (en) * | 2021-04-15 | 2021-06-22 | 王美珍 | Smart city data sharing method and system based on cloud platform |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110855783A (en) | 2020-02-28 |
| CN109151011B (en) | 2020-02-11 |
| CN110855783B (en) | 2020-07-24 |
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