单选题In small angle stability，the metacentric height（）.Ais found in the hydrostatic tables for a level vesselBmultiplied by the displacement yields the righting momentCis always positiveDis calculated by subtracting KG from KM
单选题
In small angle stability，the metacentric height（）.
A
is found in the hydrostatic tables for a level vessel
B
multiplied by the displacement yields the righting moment
C
is always positive
D
is calculated by subtracting KG from KM
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