单项选择题
A.metacenter
B.amidships
C.center of flotation
D.geometric center of the displaced volume
单项选择题 If the vertical center of gravity (VCG) of a ship rises 1.7 feet，the righting arm (GZ) for the various angles of inclination will（）.
单项选择题 From（）the information concerning the tons per inch or centimeter immersion of a vessel shall be usually found.
单项选择题 For a floating vessel，the result of subtracting KG from KM is the（）.