Hydrometeorological automatic observation device and real-time data transmission system thereof
Shallow sea submarine cable pipeline detector carrying device
Observation signal station for environmental monitoring
Multi-parameter monitoring intelligent navigation mark
Marine environment observation device based on ocean station
In-situ observation device for dissolved oxygen on seabed solid-liquid interface
Hydrographic survey unmanned ship sampling supporting and fixing device
Underwater terrain detection device and detection method
Method for installing and detecting large base on arc-shaped deck
Unmanned ship for geomagnetic diurnal variation observation in deep and far seas