问题
单项选择题
A floating vessel will behave as if all of its weight is acting downward through the（）.
A.center of gravity
B.center of buoyancy
C.center of flotation
D.metacenter
答案
参考答案：A
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A floating vessel will behave as if all of its weight is acting downward through the（）.
A.center of gravity
B.center of buoyancy
C.center of flotation
D.metacenter
参考答案：A