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
From your position you observe a rotating white and green light to the north. This light is most likely（）.
A plane that cuts the Earth’s surface and passes through the poles will always form（）.
An orange and white buoy marking an area where operating restrictions are in effect will be marked with which symbol? （）
A structure，usually made of stone，or cement pilings，which extends from the bank at approximately right angles to the current is called a（）.
A parallel of latitude other than the equator is a（）.
Fishing stake，the position of which frequently（），exist in the area covered by this chart.
An orange and white buoy marking a danger area will have what symbol on it?（）
An orange and white buoy indicating a vessel-exclusion area will be marked with what symbol? （）
A V-shaped ripple with the point of the V pointing upstream in a river may indicate 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（）.