单项选择题
The distance from the still water level (corrected for tides and storm surge) to the bottom of the hull of a ship is the（）.
A.air gap
B.freeboard
C.penetration
D.water depth
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相关考题
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单项选择题
The distance between the surface of the water and the tidal datum is the （）.
A.range of tide
B.height of tide
C.charted depth
D.actual water depth -
单项选择题
The distance between any two meridians measured along a parallel of latitude and expressed in miles is the （）.
A.difference in longitude
B.mid-longitude
C.departure
D.meridian angle -
单项选择题
The distance between any two meridians measured along a parallel of latitude （）.
A.increases in north latitude and decreases in south latitude
B.decreases as DLO increases
C.increases with increased latitude
D.decreases with increased latitude
