A.equal to the longitude expressed in time units
B.about 16 minutes
C.the difference between the GHA of mean sun and the first point of Aries
D.15°of arc
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A.radar conspicuous beacon
B.circular radiobeacon
C.radar transponder beacon
D.radar calibration beacon
A.deviation
B.annual rate of variation change
C.precession
D.compass error
A.newly edition with up to date correction and in reasonable prices
B.the current edition and incorporate the last Notices to Mariners correction
C.the current edition and incorporate the latest Notices to Mariners correction at the time of sale
D.brand-new one with up to date correction and clean writing
A.C
B.Cl
C.Co
D.c
A.Surging
B.Spilling
C.Plunging
D.Converging
最新試題
A chart with a scale of 1:80，000 would fall into the category of a（）.
The short-long dashed，magenta lines parallel to York River Entrance Channel mark（）．
When a buoy is in position only during a certain period of the year，where may the dates when the buoy is in position be found?（）
Which information does the outer ring of a compass rose on a nautical chart provide（）.
The survey information upon which a chart is based is found （）.
The maximum difference between mean time and apparent time is （）.
The short-long dashed magenta line around Gardiners Island marks（）.
On a Mercator chart，1 nautical mile is equal to（）.
Every chart is liable to be incomplete（）.
When using a Lambert conformal chart in high latitudes，angles such as bearings are measured in reference to （）.