单项选择题
A.Surging B.Spilling C.Plunging D.Converging
The buoy symbol printed on your chart is leaning to the...
单项选择题The buoy symbol printed on your chart is leaning to the northeast. This indicates （）.
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
The agonic line on an isomagnetic chart indicates the （...
单项选择题The agonic line on an isomagnetic chart indicates the （）.
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
Solid green arrows on the main body of a pilot chart in...
单项选择题Solid green arrows on the main body of a pilot chart indicate （）.
A.prevailing wind directions B.prevailing ocean current directions C.probable surface current flow D.shortest great circle routes
