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
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A.magnetic equator
B.magnetic longitude reference line
C.points where there is no variation
D.points where there is no annual change in variation
A.prevailing wind directions
B.prevailing ocean current directions
C.probable surface current flow
D.shortest great circle routes
A.conspicuous object
B.steep depression in the surrounding hills that resembles a cup
C.domed structure useful for navigation
D.calling-up-point used for traffic control
A.published with
B.combined with
C.in connection with
D.subject to
A.with
B.from
C.on
D.by
最新試題
When navigating in high latitudes and using a chart based on a Lambert conformal projection，（）.
The shoreline on charts generally represents the mean（）.
The description Racon beside an illustration on a chart would mean a （）.
What information is found in the chart title? （）
On chart，bearings to near objects should be used in preference to objects farther off，because（）.
The maximum difference between mean time and apparent time is （）.
When using a Lambert conformal chart in high latitudes，angles such as bearings are measured in reference to （）.
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（）.
What information is NOT found in the chart title? （）