The plan which defines the ship form is known as a （ ）.
A. lines plan
B. sheer profile
C. body plan
D. half breadth plan
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The sections obtained by the intersections of waterplanes with the surface of the ship are called ( ) .
A. waterlines
B. buttocks
C. sheer profile
D. bow line
( ) is the ratio of the actual volume of the underwater form to the volume LBd.
A. Midship area coefficient
B. Waterplane area coefficient
C. Block coefficient
D. Vertical prismatic coefficient
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