(The following topics include but are not limited to)
Topic 1: Ocean Engineering
Construction of offshore platforms
Artificial Island
Oil and gas exploration and extraction platform
Floating oil storage tank
Floating refinery
Floating airport
Diving techniques
undersea mining
Subsea Tunnel Engineering
submarine pipeline 
Marine resource development and spatial utilization
Ship Engineering
Ship Design
Dynamic positioning
Marine Surveying and Engineering
Laser radar
Passive observation sensor
Coastal radar
Airborne and satellite radar, as well as synthetic aperture radar
Operation observation
space system 
Topic 2: Intelligent Technology
Dynamic control
Current measurement technology
Marine instruments and sensors
System and Observatory
Buoy technology
Cables and connectors
Marine Geodetic Information System
Autonomous underwater vehicle
Manned underwater vehicle
Imaging and Vision
Beam propagation
Optical sensors and adaptive optics
Ocean Optical Technology and Instruments
Holography and 3D imaging
Optical communication
electromagnetic induction
Dynamic positioning
Other related topics