CN111089591A - Ship route planning method, system, terminal and storage medium - Google Patents
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- G—PHYSICS
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- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
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- G—PHYSICS
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- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/005—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 with correlation of navigation data from several sources, e.g. map or contour matching
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- G—PHYSICS
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Abstract
The invention discloses a planning method of a ship route, which comprises the following steps: dividing a global route into a plurality of regions; determining a first passing area of the ship according to a starting point and an end point of the ship; acquiring first weather information of a first passing area, and planning a first route of a ship according to navigation according to the first weather information; after the ship navigates for a preset time, acquiring the geographical position of the ship, and determining a second passing area of the ship by combining a terminal point; and acquiring second meteorological information of a second passing area, and planning a second route of the ship according to the second meteorological information. The invention has the advantages that the working mode of ship-shore cooperation is adopted, the shore base provides services such as weather information collection, efficient management, issuing and monitoring, the weather information is provided to the ship-side intelligent navigation system as one service, and at the ship-side system, a crew can check the weather information superposed on the electronic chart to make a decision of a course.
Description
Technical Field
The invention belongs to the field of ship navigation, and particularly relates to a ship route planning method, a ship route planning system, a ship route planning terminal and a storage medium.
Background
In recent years, the development of technologies such as information, computers, communication, networks, new energy, artificial intelligence and the like and the application of the internet of things, big data, comprehensive ship bridge systems and information physical systems greatly promote the process of ship intellectualization. The research of intelligent ships has become a hot topic of the whole shipping market, and although the current ship driving has the assistance of satellite navigation, navigation radar, electronic channel diagrams and autopilots, the ship is far from realizing intellectualization.
The basis for realizing intelligent navigation is meteorological service, the traditional meteorological navigation industry is that a shipping company directly purchases air guide service from a meteorological navigation company, and the air guide company takes the avoidance of big storms as a main task according to meteorological conditions. According to the study in seif, china, 2005(2) 28-31, the weather navigation status on sea [ J ] generally speaking, after receiving customer's commitments, the air navigation company will first ask the basic conditions of the ship, such as ETD, oil and water inventory on the ship, cargo, ship speed, etc., and the design route on the ship, according to its standard format of air guidance. Then, the ship side route is considered in the call back, and the recommended route for air conduction is provided to the ship side, and the reason is given. Although the shipside is required to provide a reference for the designed airline, the air conduction company is not necessarily reading carefully, and the recommended airline sometimes fails to satisfy the captain. The ships have different types, tonnage and cargo carrying, and are affected by wind and waves, and only navigation personnel on the ships at the ship can experience the influences. The advantage of air guide companies is not how to design airlines, but rather to grasp weather conditions for the next few days after the airline is implemented.
Most often, weather companies provide a route with constant airspeed throughout the flight depending on weather conditions. The shipborne system does not have any calculation function, and the navigation personnel need to manually input the air route into the electronic chart after receiving the air route transmitted by the air guide company.
In addition to the inefficient and error-prone manual entry of routes, routes provided by air guidance companies only consider meteorological factors, do not relate to the navigation state of ships and various obstacles on the sea, may cross over islands or shallow water areas, require seafarers to manually correct the routes again to make obstacle detours, and further reduce efficiency.
Disclosure of Invention
The invention provides a ship route planning method, a system, a terminal and a storage medium aiming at the problems in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method of planning a course of a ship, the method comprising: dividing a global route into a plurality of regions; determining a first passing area of the ship according to a starting point and an end point of the ship; acquiring first weather information of a first passing area, and planning a first route of a ship according to navigation according to the first weather information; after the ship navigates for a preset time, acquiring the geographical position of the ship, and determining a second passing area of the ship by combining a terminal point; and acquiring second meteorological information of a second passing area, and planning a second route of the ship according to the sailing according to the second meteorological information.
A marine route planning system, the planning system comprising a shore-based module and a ship-based module, the ship-based module comprising: a positioning unit that acquires a geographical position of a ship; the first communication unit is wirelessly connected with external equipment; and
the planning unit is connected with the positioning unit and the first communication unit, determines a passing area of the ship according to the geographical position of the ship and a set terminal, and plans a route of the ship according to the passing area and weather information thereof; the shore-based module comprises: the second communication unit is connected with the first communication unit and the meteorological forecast server; and
and the processing unit is connected with the second communication unit and acquires corresponding meteorological information according to the route area.
Preferably, the weather forecast server comprises a GFS, a WW3, a RTOFS and an ECWMF.
Preferably, the first communication unit is a VSAT satellite communication system.
Preferably, the processing unit downloads the weather information of all regions around the world from the weather forecast server through the second communication unit every preset time period.
A storage medium having a computer program stored thereon, the computer program when loaded performs: determining a first passing area of the ship according to a starting point and an end point of the ship; acquiring first weather information of a first passing area, and planning a first route of a ship according to navigation according to the first weather information; after the ship navigates for a preset time, acquiring the geographical position of the ship, and determining a second passing area of the ship by combining a terminal point; and acquiring second meteorological information of a second passing area, and planning a second route of the ship according to the second meteorological information.
A ship route planning terminal, the planning terminal comprising: a processor to execute a computer program; and
a storage medium having stored therein a computer program that, when loaded, performs: determining a first passing area of the ship according to a starting point and an end point of the ship; acquiring first weather information of a first passing area, and planning a first route of a ship according to navigation according to the first weather information; after the ship navigates for a preset time, acquiring the geographical position of the ship, and determining a second passing area of the ship by combining a terminal point; and acquiring second meteorological information of a second passing area, and planning a second route of the ship according to the second meteorological information.
1. Intelligent navigation system ship-shore cooperative architecture
The invention provides a system of a ship-shore structure of an intelligent navigation system, which consists of a ship end system, a communication system (V-SAT or other communication networks), a shore end system and other related navigation equipment.
Intelligent navigation system (ship end): the method comprises the steps of receiving meteorological information of a shore-side service system, collecting real-time data of a sensor, comprehensively calculating by combining ship technical parameters, voyage parameters and electronic chart data, outputting recommended routes and speeds, simultaneously displaying weather information received from a shore base in a superposed mode, and making a navigation plan by a captain or a captain pair by aid of the meteorological information.
The shore-based meteorological service system (shore end) is responsible for acquiring meteorological data from a meteorological data provider through the Internet, cutting according to the ship state uploaded by the ship end, compressing and then sending to the ship end.
In addition, the ship should be provided with a navigation measurement subsystem, in the process of sailing, a ship end system collects real-time navigation information, and the ship end uploads the measurement information collected in the sailing to a shore-based service station for accumulating sailing data and preparing for analyzing future big data.
2. Layered design of shore-based meteorological service system
The invention provides a shore-based meteorological service system adopting a layered architecture, which consists of a client, a business layer and a data layer.
The client layer comprises two parts of meteorological data source management and interaction with the background. The meteorological data source refers to an external system providing a global meteorological and oceanographic forecast data downloading service interface, such as an alternative data source of NOAA, ECMWF, oceanographic bureau, national meteorological bureau and the like. The background interaction refers to a man-machine interaction interface of a background management center of the shore-based service station.
The business layer is divided into a control layer, a business logic layer and a basic service layer. The control layer realizes functions of http connection management, session maintenance, parameter analysis, data packet packing and unpacking processing and the like of the server so as to interact with the client. The business logic layer mainly utilizes various services in the basic service layer to carry out Java Class encapsulation on the business logic. The basic service layer further refines the business logic layer to facilitate modular design.
The data layer includes a data access layer and a data storage layer. The data access layer provides read-write operation components of the MySQL database and the data file. The read-write operation of the MySQL database is realized based on a MyBatis framework, the connection management of the jdbc database is carried out through a database connection pool mechanism of MyBatis, the mapping relation between the data objects and a relational type base table in the MySQL database is established, and the read-write operation of each data object is encapsulated. And the read-write operation of the data file is encapsulated into Java Class based on the NFS/SSH shared file access mechanism, so that the file generation and update operation under the shared file server are realized. The data storage layer adopts a MySQL database server to store relational data, and adopts a Linux shared file server to store weather and ocean forecast data files.
3. Meteorological data area division
At present, the main modes of ship-shore communication comprise a commercial communication satellite VSAT and a maritime satellite Inmarsat, and in order to solve the problems that ship-shore ocean communication is limited by the stability, bandwidth, price and the like of the satellite, the data transmission quantity is compressed as much as possible to improve the data transmission success rate and reduce the satellite use cost in the process of sending meteorological data to a ship end.
4. Meteorological data source selection
The shore-based weather service system checks the data updating condition of the downloading source at certain time intervals (the time can be set), and if the data updating condition exists, the weather data file is downloaded into the database. In recent years, accuracy and precision of weather forecast are continuously improved, and some weather agencies such as noaa (national ocean and Atmospheric administration) also open a free weather data interface to the public, so that the cost of weather data service is further reduced.
Generally, for meteorological factors which have a large influence on ship navigation, the meteorological factors comprise wind, wave, swell, ocean current and the like, and selectable public meteorological data source types comprise GFS (global weather system), WW3, RTOFS, ECWMF and the like. The GFS is a Global weather Forecasting calculation mode which is provided by NOAA (national oceanic and atmospheric administration) and can acquire data such as wind, air pressure, wave, 500hPa, air temperature and the like; WW3 is a third-generation sea wave model developed by the national center for environmental forecasting (NCEP) based on the WAM mode idea, and can obtain the number of wind, wave height, wave direction, wave period and the like; the European middle weather forecast center (ECMWF for short) can provide data such as wind, wave, air pressure, rainfall and the like; RTOFS is a global ocean current forecasting system based on a hybrid coordinate ocean circulation pattern (HYCOM).
Besides the meteorological data sources, the system can self-define the data source access address and acquire the data of other meteorological data sources. The accuracy and forecast timeliness of the meteorological data can be selected in a user-defined mode according to actual application conditions, and the accuracy and forecast timeliness are divided into the following steps: 5 days, 8 days, 15 days, etc.; dividing according to the precision of forecast data: 2.5 degrees, 1.0 degree, 0.5 degrees, 0.25 degrees, etc.;
5. working process of shore-based meteorological service system
The working process of the shore-based meteorological service system in the whole intelligent navigation system is as follows:
firstly, a shore-based meteorological service system clock regularly triggers a meteorological data downloading program to a corresponding website to download meteorological data to a shore-based service station according to a data acquisition rule set by meteorological data source management. Then, the downloaded meteorological grid point data file is split and decoded according to meteorological areas and accuracy, and is loaded to a shore-based meteorological information file library;
secondly, the ship-end intelligent navigation system establishes a satellite communication link through VSAT terminal equipment or other communication equipment, accesses the Internet, and starts a route optimization function;
thirdly, the intelligent navigation system at the ship end checks whether the weather forecast data of the time interval and the optimized area exist, and if so, the weather forecast data are directly adopted for optimization calculation; otherwise, taking the ship license, the time interval and the optimized area as parameters, and initiating a weather forecast data downloading request to the shore base;
and step four, after receiving a weather forecast data downloading request sent by the ship on the shore basis, firstly performing license verification, and if the verification fails, returning an error code. If the verification is passed, calculating a weather area required by the current route optimization according to the departure place and the destination of the route, then cutting and packaging weather forecast data according to a time range, compressing the weather forecast data into weather forecast data files, and sending the weather forecast files to a ship end;
fifthly, receiving a shore-based return result by the ship end, updating a local meteorological forecast data file, and reading meteorological forecast data to perform optimization calculation;
6. service monitoring
The background service execution condition is monitored, and the states of file downloading, meteorological data request processing, ship position and airline reporting processing and voyage information reporting request processing of the system can be checked.
The latest meteorological file downloading comprises a file name, downloading time, forecasting time, aging, meteorological elements, a file size, a data source, a storage path and a downloading state. The latest ship-side meteorological data request comprises ship identification, course information, request time, a data area, file size and processing state. The latest ship position and course reporting comprises ship identification, reporting time, longitude, latitude, navigation speed, course, predicted arrival time at the next port, course information and processing state. The latest ship end voyage number information comprises ship identification, course information, voyage number information, reporting time and processing state.
The invention establishes a set of working flow of ship-shore meteorological information service on the basis of constructing an intelligent navigation system of ship-shore cooperative work, realizes a shore-based meteorological service system by utilizing a layering mechanism of a client layer, a business layer and a data layer, and realizes acquisition, compression processing and issuing of meteorological data and service monitoring. The method provides a meteorological area division mode, ensures the meteorological information requirement, greatly reduces the transmitted data quantity, adopts a free open and multi-data type meteorological data source, and further reduces the cost of meteorological data service.
Compared with the prior art, the invention has the beneficial effects that:
1. the ship-shore cooperative working mode is adopted, shore-based services such as weather information collection, efficient management, issuing and monitoring are provided, the weather information is provided to a ship-side intelligent navigation system as one service, and at a ship-side system, a crew can check the weather information superposed on an electronic chart and make a decision on a course;
2. meanwhile, the intelligent navigation system has the capability of automatically planning a course, and is different from the prior art that only one course with constant speed in the whole course is provided, the system can utilize meteorological information, electronic chart data and various sensor information received by a ship: the method comprises the steps of position, navigational speed, course, wind speed, wind direction and rolling, and is combined with the task of navigational times to plan the route, the planned route not only can automatically avoid obstacles, but also can be matched with different navigational speeds in different navigation sections generally so that the route design is more flexible, the route can be directly guided into the electronic chart equipment through the route safety monitoring of the electronic chart, and the low efficiency that a sailor needs to manually input the route after receiving a meteorological route is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic overall structure diagram of a ship route planning system in an embodiment of the invention.
Fig. 2 is a schematic diagram of a layered architecture of a ship route planning system according to an embodiment of the present invention.
FIG. 3 is a schematic diagram of route planning in an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the positional or orientational relationships indicated in the drawings to facilitate the description of the invention and to simplify the description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, configuration and operation in a particular orientation, and are not to be construed as limiting the invention.
As shown in fig. 1, the embodiment provides an intelligent navigation ship-shore architecture system design, which mainly comprises a shore-based weather service station and a shipborne intelligent navigation system, wherein the normal operation of the system also needs to be completed by the combined action of other equipment or data, the system comprises a weather data source which is a data acquisition source of the shore-based weather service, an electronic chart display and information system can receive a navigation line planned by the intelligent navigation system, a navigation line planner performs final verification on the equipment, and a navigation system network collects position information, course information, wind speed and direction information, water depth information and the like of equipment related to a navigation measurement subsystem and sends the position information, the course information, the wind speed and direction information, the water depth information and the like to the intelligent navigation system through the adaptation of a serial server. The shipborne V-SAT system provides a communication link for data transmission with a data center by using satellite communication.
FIG. 2 is a schematic diagram of a hierarchical architecture of a ship route planning system, in which a client layer is mainly responsible for interaction with an intelligent navigation system at a ship end, an interactive WEB end at a background and an meteorological data downloading source, and adopts Ajax development technology to realize asynchronous refreshing of a webpage, and a development language adopts a combination of HTTP + CSS + JS. The service layer is divided into a control layer, a service logic layer and a basic service layer, the control layer is physically a series of servlets developed based on Java web technology, the servlets realize an interactive interface with a client, and service processing behind interaction is realized by calling the service logic layer Java Class. The control layer implements the business processing logic in the interactive services by calling these Java classes. The business logic layer mainly utilizes various services in the basic service layer to carry out Java Class encapsulation on the business logic. The main components of the business logic layer include a series of functions of shore-based services: parameter setting, background service, service monitoring, voyage number analysis and system management. The basic service layer is a refinement in the service logic layer, and Java Class is divided into objects such as data source monitoring service, file compression service, GRIB2 coding and decoding compression service, file reading and writing service, JNI calling service, log service, authority limit and the like. The data layer includes a data access layer and a data storage layer. The data access layer provides data access DAO and a read-write operation component of the data file, and the data storage layer stores relational data by adopting a MySQL database server and a local file library.
The method is characterized in that the meteorological area management needs global partitioning, a rule is formulated to split global meteorological areas and divide the global meteorological areas into 14 navigation areas by default in order to facilitate data management and storage and ensure that main global merchant ship routes span less areas as much as possible.
| Area ID | Area name | Longitude 1 | Longitude 2 | Latitude 1 | Latitude 2 |
| Region 1 | East coast of North America | -100 | -50 | 0 | 70 |
| Region 2 | North Atlantic region | -50 | 40 | 30 | 70 |
| Region 3 | Middle part of the Atlantic ocean | -50 | 30 | -100 | 30 |
| Region 4 | Northern Indian ocean | 30 | 100 | -10 | 30 |
| Region 5 | Coastal east Asia | 100 | 150 | -10 | 60 |
| Region 6 | Northwest of the pacific | 150 | 210 | 10 | 70 |
| Region 7 | Northeast Pacific ocean | -150 | -100 | 10 | 65 |
| Region 8 | Southern Atlantic | -50 | 20 | -60 | -10 |
| Region 9 | Southwestern India Yangxi | 20 | 70 | -60 | -10 |
| Region 10 | Southeast India ocean | 70 | 150 | -60 | -10 |
| Region 11 | West of pacific | 150 | 200 | -60 | 10 |
| Region 12 | Southeast of the pacific ocean | -160 | -100 | -60 | 10 |
| Region 13 | West coast of south America | -100 | -50 | -60 | 0 |
| Region 14 | Northern sea area of canada | -180 | -120 | 60 | 80 |
And (3) setting a meteorological data source, and selecting four types of data of GFS, WW3, RTOFS and ECWMF. The data precision is selected to be 1.0 degree, and the forecast time effectiveness is selected to be 8 days.
The specific work flow of the shore-based meteorological service system is as follows:
step one, a shore-based weather service system clock triggers a weather data downloading program to a corresponding website to download weather data to a shore-based service station every 6 hours according to a data acquisition rule set by weather data source management. And then, splitting and decoding the downloaded meteorological lattice point data file according to the meteorological area and the accuracy, and loading the meteorological lattice point data file into folders corresponding to gfs, ww3, rtofs and ecwmf in a shore-based meteorological forecast library.
Step two, the ship-end intelligent navigation system is accessed to the Internet through VSAT equipment, Boston (42 degrees 27.287 'N and 70 degrees 35.953' W) is selected for the departure port, Luterdan (52 degrees 1.567 'N and 3 degrees 53.769' E) is selected for the destination port, the departure time is determined, and then planning work of the air route is carried out
Thirdly, the ship-side intelligent navigation system checks whether the weather forecast data of the time interval and the optimized area exist, the weather forecast data which meets the requirements do not exist locally and need to be downloaded locally, and the ship-side system initiates a weather forecast data downloading request to a shore base by taking the ship license, the time interval and the optimized area as parameters;
step four, after receiving a weather forecast data downloading request sent by a ship, the shore base carries out license verification, then weather areas (selected from 14 navigation areas) required by current route optimization are calculated according to the departure place and the destination of the route, weather forecasts of REGION1 and REGION2 areas are selected, then the weather forecast data are cut and packaged according to the time range, and a weather forecast data file is compressed to send the weather forecast file to the ship end;
and fifthly, receiving the bank-based return result by the ship end, updating the local weather forecast data file, reading the weather forecast data for optimal calculation, and planning a safe and cost-saving course with an obstacle avoidance function by the intelligent navigation system at the ship end by using the weather forecast information sent by the bank base as shown in fig. 3.
And step six, the optimized flight path can be sent to the electronic chart for further inspection or direct use.
Although the present invention has been described in detail with respect to the above embodiments, it will be understood by those skilled in the art that modifications or improvements based on the disclosure of the present invention may be made without departing from the spirit and scope of the invention, and these modifications and improvements are within the spirit and scope of the invention.
Claims (7)
1. A method for planning a course of a ship, the method comprising:
dividing a global route into a plurality of regions;
determining a first passing area of the ship according to a starting point and an end point of the ship;
acquiring first weather information of a first passing area, and planning a first route of a ship according to navigation according to the first weather information;
after the ship navigates for a preset time, acquiring the geographical position of the ship, and determining a second passing area of the ship by combining a terminal point;
and acquiring second meteorological information of a second passing area, and planning a second route of the ship according to the second meteorological information.
2. A marine route planning system comprising a shore based module and a ship based module, the ship based module comprising:
a positioning unit that acquires a geographical position of a ship;
the first communication unit is wirelessly connected with external equipment; and
the planning unit is connected with the positioning unit and the first communication unit, determines a passing area of the ship according to the geographical position of the ship and a set terminal, and plans a route of the ship according to the passing area and meteorological information of the passing area;
the shore-based module comprises:
the second communication unit is connected with the first communication unit and the weather forecast server; and
and the processing unit is connected with the second communication unit and acquires corresponding meteorological information according to the route area.
3. The marine route planning system of claim 2 wherein said weather forecast server comprises GFS, WW3, RTOFS, ECWMF.
4. The marine route planning system of claim 3 wherein the first communication unit is a VSAT satellite communication system.
5. The marine route planning system according to claim 4, wherein the processing unit downloads weather information of all regions around the world from the weather forecast server through the second communication unit every predetermined period of time.
6. A storage medium having a computer program stored therein, wherein the computer program is loaded and executed to:
determining a first passing area of the ship according to a starting point and an end point of the ship;
acquiring first weather information of a first passing area, and planning a first route of a ship according to navigation according to the first weather information;
after the ship navigates for a preset time, acquiring the geographical position of the ship, and determining a second passing area of the ship by combining a terminal point;
and acquiring second meteorological information of a second passing area, and planning a second route of the ship according to the second meteorological information.
7. A ship route planning terminal, characterized in that the planning terminal comprises:
a processor to execute a computer program; and
a storage medium having stored therein a computer program that, when loaded, executes:
determining a first passing area of the ship according to a starting point and an end point of the ship;
acquiring first weather information of a first passing area, and planning a first route of a ship according to navigation according to the first weather information;
after the ship navigates for a preset time, acquiring the geographical position of the ship, and determining a second passing area of the ship by combining a terminal point;
and acquiring second meteorological information of a second passing area, and planning a second route of the ship according to the second meteorological information.
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| CN113110474A (en) * | 2021-04-26 | 2021-07-13 | 广东海洋大学 | Offshore sea area small ship behavior decision method |
| CN113686338A (en) * | 2021-08-12 | 2021-11-23 | 上海哈航惯性科技有限公司 | Route optimization method based on inertial navigation equipment |
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| CN112612282A (en) * | 2020-12-24 | 2021-04-06 | 武汉理工大学 | Inland navigation control method and system based on ship host optimization and storage medium |
| CN113110474A (en) * | 2021-04-26 | 2021-07-13 | 广东海洋大学 | Offshore sea area small ship behavior decision method |
| CN113686338A (en) * | 2021-08-12 | 2021-11-23 | 上海哈航惯性科技有限公司 | Route optimization method based on inertial navigation equipment |
| CN114510783A (en) * | 2022-01-25 | 2022-05-17 | 中船航海科技有限责任公司 | Narrow water channel navigation safety assessment method based on meteorological hydrographic environment information |
| CN114510783B (en) * | 2022-01-25 | 2024-05-03 | 中船航海科技有限责任公司 | Narrow water channel navigation safety assessment method based on meteorological hydrologic environment information |
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| CN116259196A (en) * | 2023-04-03 | 2023-06-13 | 广州海宁海务技术咨询有限公司 | Ship route recommendation method and device based on artificial intelligence and computing equipment |
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| CN117057948A (en) * | 2023-10-11 | 2023-11-14 | 中国水产科学研究院南海水产研究所 | Ocean safety production method, system and medium based on big data |
| CN117057948B (en) * | 2023-10-11 | 2024-02-02 | 中国水产科学研究院南海水产研究所 | Ocean safety production method, system and medium based on big data |
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