A.National Geospatial-Intelligence Agency
B.Coast Guard
C.Naval Observatory
D.National Ocean Service
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A.sailing chart
B.general chart
C.coastal chart
D.harbor chart
A.Azimuthal gnomonic projection
B.Lambert conformal projection
C.Transverse Mercator projection
D.Polyconic projection
A.fix
B.estimated position
C.dead reckoning position
D.running fix
A.Hifix
B.Hyperfix
C.Trisponder
D.WGS84
A.Aero light
B.Radar station
C.Radar transponder beacon
D.Radiobeacon
最新試題
The arrangement of charts in the catalogue is（）.
The only cylindrical chart projection widely used for navigation is the （）.
Which information does the outer ring of a compass rose on a nautical chart provide（）.
A chart with a scale of 1:80，000 would fall into the category of a（）.
When using a Lambert conformal chart in high latitudes，angles such as bearings are measured in reference to （）.
A chart position enclosed by a square is a（n）（）.
Where would you obtain data on currents for areas of the world not covered by the National Ocean Service（）.
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 description Racon beside an illustration on a chart would mean a （）.
On chart，bearings to near objects should be used in preference to objects farther off，because（）.