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
（）is not a position-fixing system.
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 short-long dashed magenta line around Gardiners Island marks（）.
On a Mercator chart，1 nautical mile is equal to（）.
Which chart symbol indicates the bottom is clay（）.
A chart with a scale of 1:80，000 would fall into the category of a（）.
Which information is found in the chart title（）.
The soundings on the imperial chart are measured in（）.
The survey information upon which a chart is based is found （）.
The revision date of a chart is printed on which area of the chart? （）