单选题The vertical distance between G and M is used as a measure of（）.Astability at all angles of inclinationBinitial stabilityCstability at angles less than the limit of positive stabilityDstability at angles less than the downflooding angle
单选题
The vertical distance between G and M is used as a measure of（）.
A
stability at all angles of inclination
B
initial stability
C
stability at angles less than the limit of positive stability
D
stability at angles less than the downflooding angle
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