(The following topics include but are not limited to)
Topic 1: Ocean Exploration
Hydrophysical Chemistry
Hydrogeology
Hydrocartography and Surveying
Marine Physical Chemistry
Marine Geography and Geology
Estuary coast
Marine Surveying and Engineering
ocean resources
Topic 2: Ecological Environment
Environmental remediation
Carbon Neutrality
Carbon peak
Residual temperature collection
energy efficiency 
Low carbon technology
Waste recycling and utilization
Comprehensive utilization of resources
environmental science
Resource integration
Green lighting
circulatory system
Topic Three: Navigation Technology
Navigation mechanics
Ship Structure and Equipment
CMDSS (Global Maritime Distress and Safety System)
Ship Navigation
Navigation and positioning
Ship maneuvering and avoidance
Ship types and performance structures
Ship equipment and systems
Navigation aids and facilities
Marine Hydrogeology and Meteorology
Port and Waterway Engineering
Water transportation
radio communication
satellite navigation system 
Ocean transportation
Radio direction finding
Automatic Identification System (AIS) for Ships
Navigation record automation
Ship maneuvering
Maritime instruments
Radar and remote sensing technology