单项选择题
A.air gap B.freeboard C.penetration D.water depth
The distance between the surface of the water and the t...
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
The distance between any two meridians measured along a...
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
