500kV prefabricated cabin type offshore booster station and offshore wind power system
Absolute sea surface elevation measuring buoy and measuring method
Absolute wave height measuring system and method based on ship-mounted wave height meter
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
Acid-base-resistant and corrosion-resistant soft magnetic sheet
Acoustic communication buoy system for ocean observation