A.fixed red light
B.Morse (A) white light
C.green light
D.flashing red light
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A.gnomonic curve
B.small circle
C.meridian
D.great circle
A.relative bearing
B.range line
C.track line
D.estimated position
A.painted color
B.light color and phase characteristic
C.type of structure
D.All of the above
A.fixed red light
B.Morse (A) white light
C.composite group-flashing light
D.yellow light
A.flashing
B.pulsating
C.occulting
D.alternating
最新試題
A preferred-channel buoy may be（）.
A spherical buoy may be（）.
A relative bearing is always measured from（）.
How would you pass a red buoy in the maritime buoyage system “A”? （）
Except for N-S courses，and E-W courses on the equator，a great circle track between two points，when compared to a rhumb line track between the same two points，will（）.
An orange and white buoy marking a danger area will have what symbol on it?（）
A special purpose buoy shall be（）.
A plane that cuts the Earth’s surface and passes through the poles will always form（）.
A white buoy with a blue band is（）.
Buoys which only mark the left or right side of the channel will never exhibit a light with which characteristic? （）