Absolute sea surface elevation measuring buoy and measuring method
Accurate flow velocity measurement method and system based on unmanned ship
Accurate positioning device for marine surveying and mapping
Accurate positioning device for underwater surveying and mapping and positioning method thereof
Acoustic communication buoy system for ocean observation
Acoustic test evaluation system of real-scale cooling circulating water system
Adjustable axial dynamic load loading test device for pod propulsor
Adjustable linear positioning encoder and ship model test trailer