FLOATING BODY STRUCTURE AND WATER FILTERING METHOD IN THE FLOATING BODY STRUCTURE
METHOD FOR ACQUIRING SAMPLE FROM SURFACE LAYER OF SEA BOTTOM, HANDLING DEVICE AND STAND
IN-HOLD STRUCTURE OF TWO LAYER DECK SHIP OF HORIZONTAL STRUCTURE SHIP BODY
TRANSVERSE METACENTER HEIGHT ESTIMATION DEVICE AND TRANSVERSE METACENTER HEIGHT ESTIMATION METHOD
ENERGY SAVING VESSEL WHOSE SPEED IS INCREASED BY REDUCING FRICTION RESISTANCE OF SEA WATER