A.difference in longitude
B.mid-longitude
C.departure
D.meridian angle
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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
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
A.Canary Current
B.Benguela Current
C.Agulhas Current
D.South Atlantic Current
A.Leeway
B.Leeside
C.Leeward
D.Lee moving
A.List of Lights
B.Coast Pilot
C.Sailing Directions
D.List of Radiobeacons
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The meaning of ebb tide is that （）.
The distance between any two meridians measured along a parallel of latitude （）.
Information on the operating times and characteristics of foreign radiobeacons can be found in which publication? （）
At last，the palm trees that fringe the natural harbor of Port Aloahoa come into view on the horizon lit by the setting sun.The meaning of this sentence is that （）.
During a period of whiteout，you should expect which of the following（）.
Clearance gauges at bridges indicate （）.
Attention is called to the fact that in many cases charted depths may be decreased by up to （）.
As these features are not all charted，special caution should be exercised （） vessels navigating in the vicinity.
Due to lapse of time the risk in these areas to surface navigation is now considered （）than the ordinary risks of navigation，but a very real risk still exists with regard to anchoring，fishing or any form of submarine or seabed activity.
An occulting light is one in which （）.