Electromagnetic-triboelectric coupled self-driven sea area monitoring buoy and monitoring system
Unpowered self-stabilization water surface hydrological instrument
Water surface obstacle recognition ship aided driving system
Water depth measuring device for hydraulic engineering
Ship information display method and device, ship and storage medium
Double-cycloid pendulum bob for practical training ship inclination test
Non-contact detection device and method for position of gravity flow nonmetal pipeline
Polar region ice region magnetic force dragging device and magnetic force measuring method
Underwater navigation system for accurately positioning ocean floating platform