A.C
B.Cl
C.Co
D.c
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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
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
最新試題
Which information does the outer ring of a compass rose on a nautical chart provide（）.
What information is NOT found in the chart title? （）
Which aid is NOT marked on a chart with a magenta circle? （）
Particular care is needed when navigating in the vicinity of（）as very few of these features have been fully surveyed to modern standards to determine their correct position，full extent，or the least depth over them.
When navigating in high latitudes and using a chart based on a Lambert conformal projection，（）.
The broken magenta lines（long and short dashes）in and around Mobjack Bay indicate（）.
Which information is found in the chart title（）.
The survey information upon which a chart is based is found （）.
The short-long dashed magenta line around Gardiners Island marks（）.
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?（）