Buoy device for marine environment monitoring and monitoring method thereof
Laying method and laying device for underwater inductive coupling transmission equipment
Portable device for retracting and releasing underwater measuring instrument
Self-powered sinking and floating type ocean observation platform
Three-degree-of-freedom swing compensation device applied to inland waterway measurement system
Device and method for observing track type ocean real-time profile based on anchor chain
Sea surface height measuring buoy and measuring method
Separable full-profile subsurface buoy observation system and using method thereof
Anchor chain inclination angle real-time acoustic detection system
Unmanned ship for geomagnetic diurnal variation observation in deep and far seas
Overwater surveying and mapping device for ocean engineering surveying and mapping
Swaying type wave energy ocean comprehensive detection buoy
Ocean station superficial layer water quality parameter profile observation device
Full-axis magnetic gradiometer, magnetic operation system and operation method