Marine engineering, hydrodynamic performance, engineering fluid mechanics, marine fluid mechanics, computational fluid mechanics, ship micro-intelligent power grid, ship motion mathematical model, ship electronic and electrical engineering, ship electronic and electrical technology, ship electrical equipment and systems, submersibles and underwater robot technology, ship and marine engineering structural mechanics, water transportation and marine resource development, multi-energy ship power network system, ship power system simulation and optimization, ship power system modeling and algorithms, new energy and conventional ship power systems. Advanced manufacturing technology, intelligent manufacturing system, robots and automation, precision mechanical design, mechanical system dynamics, numerical control processing technology, mechanical fault diagnosis and maintenance, green manufacturing and sustainable development, micro-nano mechatronic systems, mechanical component optimization design, Industry 4.0 and mechanical integration, additive manufacturing (3D printing) application, mechanical structure strength analysis, intelligent materials and mechanical application, simulation technology in mechanical engineering Ship and marine structure design and manufacturing, structure and construction, marine mechanics, ship navigation, navigation positioning, water transportation, marine transportation, ship maneuvering, radio communication, radio direction finding, satellite navigation system, ship structure and equipment, ship maneuvering and avoidance, ship equipment and systems, navigation aids and facilities, port and channel engineering, automation of navigation records, ship automatic identification system, ship types and performance structure, marine hydrography and meteorology