A.the time of day
B.the seasons
C.geography
D.All of the above
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A.sphere
B.oblate spheroid
C.spheroid of revolution
D.oblate eggoid
A.air gap
B.freeboard
C.penetration
D.water depth
A.range of tide
B.height of tide
C.charted depth
D.actual water depth
A.difference in longitude
B.mid-longitude
C.departure
D.meridian angle
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
最新試題
The height of eye correction is smaller than geometrical dip because of （）.
AFTER DROPPING THE PILOT means （）.
Lateral movement of the vessel to leeward of its course defines （）.
Attention is called to the fact that in many cases charted depths may be decreased by up to （）.
Above-normal tides near the center of a hurricane maybe caused by the （）.
The distance between any two meridians measured along a parallel of latitude and expressed in miles is the （）.
Conditions for crossing a rough bar are usually best at （）.
As these features are not all charted，special caution should be exercised （） vessels navigating in the vicinity.
During a period of whiteout，you should expect which of the following（）.
The distance between any two meridians measured along a parallel of latitude （）.