A.true north
B.magnetic north
C.the vessel's beam
D.the vessel's head
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A.white light whose characteristic is Morse (A)
B.group-occulting white light
C.composite group-flashing (2 + 1) white light
D.composite group-flashing (2 + 1) red or green light
A.lettered
B.spherical
C.showing a white light
D.All of the above
A.the equator
B.a great circle
C.a small circle
D.a meridian
A.the equator
B.a loxodromic curve
C.a small circle
D.a meridian
A.Great circle
B.Equator
C.Small circle
D.Meridian
最新試題
How would you pass a red buoy in the maritime buoyage system “A”? （）
A yellow buoy may exhibit a(n)（）.
A V-shaped ripple with the point of the V pointing upstream in a river may indicate a（）.
A yellow buoy may mark a(n)（）.
Buoys which only mark the left or right side of the channel will never exhibit a light with which characteristic? （）
An orange and white buoy with a rectangle on it displays（）.
A plane that cuts the Earth’s surface at any angle and passes through the center will always form（）.
A rock and sand structure extending from the bank of the river toward the channel is known as a（）.
A nun buoy will（）.
A white buoy with a blue band is（）.