Ship abutting berthing device and berthing method thereof
Auxiliary device for landing of helicopter on uneven ground
Buoy device with photovoltaic self-adjustment function
Maritime emergency communication buoy for retrieving marine survey equipment
Underwater detection device based on multi-beam sonar and offshore ad hoc network buoy
Bionic flexible fin ray based on tensegrity structure and design method thereof
Overwater distance surveying instrument for surveying and mapping based on Beidou system
Sonar surveying and mapping system based on surf algorithm
Cable laying ship cable laying speed control method and system based on water depth measurement
Communication buoy based on underwater magnetic induction communication function
Underwater sonar detection device suitable for seabed drilling
Communication buoy based on underwater topographic surveying and mapping
Intelligent marine survey system and sampling method thereof
Submersible locking mechanism and operation method thereof