(The following topics include but are not limited to)
Topic 1: Surveying and Mapping
Photogrammetry
sensor technology 
surveying and mapping technique
Surveying instruments
Aerial photogrammetry
Cartography
Computer graphics
Graphic image replication technology
Urban Brain, Intelligent Ocean, and Digital Earth
Topic 2: Remote Sensing Technology
Optical remote sensing
Microwave remote sensing
Remote sensing of atmospheric environment
Planetary remote sensing and mapping
Remote Sensing Information Engineering
Geographic Information System
Global Navigation Satellite System
Meteorological applications
Marine applications
Ecological and Environmental Applications
Transportation applications
Urban construction application
Disaster assessment, monitoring, and management
Global Change Research
Meteorological applications
Marine applications
Ecological and Environmental Applications
Transportation applications
Urban construction application
Disaster assessment, monitoring, and management
Global Change Research
Satellite Navigation and Positioning
Spatial database
Earth Monitoring and Mapping
Space Technology and Landscape Architecture
Key climate factors for remote sensing monitoring of global change
Remote sensing, Geographic Information Systems (GIS)
Integration and Application of Navigation and Positioning System (3S)
Topic 3: Ocean Communication
Intelligent maritime communication
5G Ocean Applications
maritime communications
Underwater acoustic communication
Electronic navigation
Artificial Intelligence Maritime Network
Maritime Internet of Things
Modeling of Maritime Communication Channels
Underwater visible light communication
Maritime positioning and navigation technology
6G Maritime Remote Sensing Information Transmission Technology and Related Applications
Other related topics