单项选择题

Stability is determined principally by the location of two points in a vessel: the center of buoyancy and the（）.

A.metacenter
B.geometric center of the waterplane area
C.center of gravity
D.center of flotation

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单项选择题
Stability is determined principally by the location of the center of gravity and the（）.

A.aft perpendicular
B.center of buoyancy
C.keel
D.center of flotation
单项选择题
Stability is determined principally by the location of the point of application of two forces: the downward-acting gravity force and the（）.

A.upward-acting weight force
B.downward-acting weight force
C.upward-acting buoyant force
D.environmental force
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