A.Surging
B.Spilling
C.Plunging
D.Converging
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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
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
最新試題
The numeral in the center of a wind rose circle on a pilot chart indicates the （）.
The description Racon beside an illustration on a chart would mean a （）.
The survey information upon which a chart is based is found （）.
A chart with a scale of 1:80，000 would fall into the category of a（）.
The broken magenta lines（long and short dashes）in and around Mobjack Bay indicate（）.
That the scale of any part of a chart to be larger than the scale of the survey is（）.
When using a Lambert conformal chart in high latitudes，angles such as bearings are measured in reference to （）.
What is NOT an advantage of the rhumb line track over a great circle track? （）
The maximum difference between mean time and apparent time is （）.
On chart，bearings to near objects should be used in preference to objects farther off，because（）.