A.anchorage area
B.fish net area
C.bifurcation
D.dredging area
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A.white light FL (2) and a topmark of 2 black spheres
B.occulting green light and may be lettered
C.yellow light and will be numbered
D.continuous quick white light and may be numbered
A.interrupted quick flashing
B.composite group flashing
C.Morse (A)
D.quick flashing
A.with part of it extending above the water
B.that can be detected by water turbulence
C.that drops off sharply
D.perpendicular to the current
A.Great Circle
B.Position Line
C.Rhumb line
D.True Bearing
A.dead reckoning
B.dead weight
C.dead slow ahead
D.dead slow astern
最新試題
Traffic separation schemes adopted by the IMO are listed in（）.
When using a buoy as an aid to navigation which of the following should be considered?（）
The recording fathometer produces a graphic record of the（）.
Which of the following are data layer categories to be displayed on ECDIS（）．
When using horizontal sextant angles of three objects to fix your position，an indeterminate position will result in which situation（）.
In very high latitudes，the most practical chart projection is the（）.
On a chart，the characteristic of the light on a lighthouse is shown as flashing white with a red sector.The red sector（）.
When navigating a vessel，you（）.
The points on the earth’s surface where the magnetic dip is 90° are（）.
The four standard light colors used for lighted aids to navigation are red，green，white，and （）.