A.metacenter
B.geometric center of the waterplane area
C.center of gravity
D.center of flotation
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A.aft perpendicular
B.center of buoyancy
C.keel
D.center of flotation
A.upward-acting weight force
B.downward-acting weight force
C.upward-acting buoyant force
D.environmental force
A.water depth
B.keel
C.center of flotation
D.center of buoyancy
A.after control of fire，flooding，and structural repairs
B.immediately
C.after control of fire，but before control of flooding
D.after stability is restored
A.at small angles of inclination
B.when loaded with minimum deck load
C.when at transit draft
D.when GZ is zero
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Stability is determined principally by the location of two points in a vessel: the center of buoyancy and the（）.
The greatest effect on stability occurs from loose liquids flowing（）.
Initial stability of a vessel may be improved by（）.
Damage stability is the stability（）.
The trim and stability booklet must be approved by the（）.
The vertical distance between G and M is used as a measure of（）.
The moment of a force is a measure of the（）.
Initial stability refers to stability（）.
Fighting a fire in the galley poses the additional threat of（）.
In astern towing，a tow span，also called the tow bar or towing arch，is used to（）.