Self-floating-sinking type ocean profile and sediment detection device and using method
UNDERWATER SUBMERGED BUOY OBSERVATION BREAKING DEVICE
Multifunctional sensor for hydrological information data acquisition and use method thereof
METHOD AND SYSTEM FOR REDUCING VESSEL FUEL CONSUMPTION
Multifunctional buoy for marine environment monitoring
Intelligent medium-latitude large-scale buoy observation system and method
Ocean engineering environment fixed-point detection device
Sewage pipe positioning device based on buoy signal enhancement and dynamic detection
In-cylinder rail type water body profile observation buoy and method
Water body profile ambient light field free fall measurement system