单项选择题
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
On a voyage from Halifax,N.S.,to Dakar,West Africa,the ...
单项选择题On a voyage from Halifax,N.S.,to Dakar,West Africa,the Canary Current will （）.
A.set the vessel to the left B.set the vessel to the right C.offer resistance in the form of a head current D.furnish additional thrust in the form of a fair or following current
