【名词&注释】
变量计算(variable calculate)
[单选题]船舶进出不同水密度水域时平均吃水改变量计算公式为。公式中,密度ρs为()。
A. A.新水域的水密度
B. B.原水域的水密度
C. C.标准海水密度
D. D.标准淡水密度
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学习资料:
[单选题]The amount of freeboard which a ship possesses has a tremendous effect on its().
A. initial stability
B. free surface
C. stability at large angles of inclination
D. permeability
[单选题]The term length of a vessel in International Regulations for Preventing Collision at Sea 1972 means().
A. the length between perpendiculars
B. the registered length
C. the length overall
D. the length of waterplane on summer draft
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