A.radar conspicuous beacon
B.circular radiobeacon
C.radar transponder beacon
D.radar calibration beacon
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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
A.you should stay to the north or east of the buoy
B.you should stay to the west or south of the buoy
C.the buoy is a major lighted buoy
D.nothing special for navigational purposes
最新試題
The maximum difference between mean time and apparent time is （）.
Which information does the outer ring of a compass rose on a nautical chart provide（）.
On chart，bearings to near objects should be used in preference to objects farther off，because（）.
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?（）
The shoreline on charts generally represents the mean（）.
The only cylindrical chart projection widely used for navigation is the （）.
Every chart is liable to be incomplete（）.
Which information is found in the chart title（）.
The revision date of a chart is printed on which area of the chart? （）
When using a Lambert conformal chart in high latitudes，angles such as bearings are measured in reference to （）.