Buoy device for marine environment monitoring and monitoring method thereof
Auxiliary device for resetting marine hydrologic monitoring buoy
Portable device for retracting and releasing underwater measuring instrument
Tsunami monitoring device and tsunami early warning system
Satellite communication buoy with power generation function and usage method thereof
Anchor system easy to deploy and recover for near-shore bay environment of polar region
Laying method and laying device for underwater inductive coupling transmission equipment
Method for constructing whale sonar monitor fixing platform based on floating body structure
Underwater automatic adjusting and unfoldin type detection buoy
Device and method for observing track type ocean real-time profile based on anchor chain