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

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

A.water depth
B.keel
C.center of flotation
D.center of buoyancy
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