Track 1: Ocean Exploration
Underwater Acoustic Communication and Deep Sea Internet of Things
Deep sea high-precision sensor
Acoustic and Optical Imaging Technology
Manned deep-sea submersible and deep-sea manned exploration
Autonomous detection and collaborative networking of unmanned underwater vehicles
Ocean AI Large Model and Intelligent Forecasting
Fish like and biomimetic submersibles
Marine digital twin and simulation deduction
Intelligent observation network for ocean buoys and submersible markers
Deep sea resource exploration and sampling technology
New ocean remote sensing technology and multi-source data fusion
Underwater Navigation and Positioning Technology
Track 2: 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 
Marine transportation
radio direction finding
Automatic Identification System (AIS) for Ships
Track 3: Ship Engineering
Design and Manufacturing of Ships and Marine Structures
Ship and Ocean Engineering Structural Mechanics
Marine Engineering
Engineering Fluid Mechanics
Marine Fluid Dynamics
Computational Fluid Dynamics
Ship micro smart grid
Mathematical Model of Ship Motion
Ship Design/Performance/Structure and Construction
Hydrodynamic performance
Water transportation and marine resource development
Multi energy ship power network system
New Energy and Conventional Ship Power Systems
Simulation and Optimization of Ship Power System
Modeling and Algorithm of Ship Power System
Ship Electronics and Electrical Technology
Ship Electronic and Electrical Engineering
Other related topics are open for submission