(Topics include but are not limited to)
Topic 1: Ocean Engineering
offshore construction services
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
Design and Manufacturing of Ships and Marine Structures
Ship and Ocean Engineering Structural Mechanics
Engineering fluid mechanics
naval hydrodynamics
Computational fluid dynamics
hydrodynamic performance
Energy cycle mechanism of deep-sea hydrothermal vents
Symbiotic relationships among coral reef organisms
Adaptation mechanism of polar marine ecology
The law of material exchange in estuaries
Regulation of Marine Microbial Communities
The impact of ocean acidification on calcified organisms
Rising sea levels threaten coastal wetlands
Ecotoxicological Study on Plastic Pollution
Water transportation and marine resource development
Multi energy ship power network system
Coastal and Ocean Engineering
Beach erosion and sediment migration
Climate change and sea level rise
Coastal infrastructure development
Hydrodynamics of Offshore Structures
Port engineering (dredging, seawall design, etc.)
Estuarine and coastal engineering
offshore engineering
Deep sea engineering
Port waterway
Ocean Energy Engineering
underwater engineering
Salvage technology
Offshore oil development technology and equipment
Fixed sandwich platform at sea
Marine activity platform
submarine pipeline 
Oil and gas collection and transportation
Topic 2: Environmental Protection
Lowland development and land reclamation
Marine Ecology and Environment
Ocean and offshore wind energy
Oil spills and environmental hazards
seawater intrusion
Tsunami, waves, and tides
waste water treatment
nunja
biodiversity conservation
Marine Environmental Protection and Restoration
Ecological plunder and ecological restoration
The Application of Remote Sensing Technology in Environmental Monitoring
Environmental Monitoring and Big Data Technology
Sustainable Development and Environmental Remediation
Application of New Materials in Environmental Remediation
The Application of Microorganisms in Environmental Remediation
The impact of climate change on environmental monitoring
Urban environmental monitoring and governance
Waste Management and Resource Recycling
Extreme weather affects fishery resources
The transmission law of microplastics in the food chain
Dynamic Monitoring of Mangrove 3S Technology
Assessment of ecological effects of artificial reefs
Seed engineering restoration of seagrass beds
Intelligent management of ocean pastures
Ocean Carbon Sequestration Measurement and Enhancement Technology
Construction of ecological compensation standard system
Access to genetic resources of marine organisms in the open sea
Blue economy and ecological synergy
Design of Ecological Disaster Insurance System
China's Plan for Global Ocean Governance
Environmental remediation
Carbon Neutrality
Carbon peak
Residual temperature collection
Energy efficiency
low-carbon technology
environmental science
Resource integration
Green Lights
circulatory system
air pollution control
Air quality monitoring and improvement
Industrial waste gas purification
Topic Three: Intelligent Ships
marine engineering
Ship micro smart grid
Mathematical Model of Ship Motion
Ship Design/Performance/Structure and Construction
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
Ship electrical equipment and systems
Submarine and Underwater Robot Technology
marine power plant
Power Machinery Operation and Control
Ship and Marine Engineering Equipment
linear system
Motion control
Integrated manufacturing
real-time system 
Robotics
Control Application
human-computer interaction
intelligence structure
hydraulic transmission
software engineering

Micro nano systems

Sensor Network
integrated automation
Turbine Engineering
hydrodynamic performance
Engineering fluid mechanics
naval hydrodynamics
Computational fluid dynamics
marine power plant
Ship Micro Intelligent Grid
Mathematical Modeling of Ship Motion
Water Transport and Marine Resource Development
Multi energy ship power grid system
Marine Electronics and Electrical Technology
Marine Electrical and Electronic Engineering
Ship electrical equipment and systems
Power Machinery Operation and Control
Ships and marine engineering equipment
Ship Structural Mechanics and Ocean Engineering
Simulation and Optimization of Ship Power System
Modeling and Algorithm of Ship Power System
New Energy and Conventional Ship Power Systems
Ship design/performance/structure and construction
Underwater robots: submarines and underwater robots