A.great circle
B.loxodromic curve
C.small circle
D.gnomonic curve
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A.be green in color
B.have an even number
C.be left to port when entering from seaward
D.be cylindrical in shape
A.fixed red light
B.Morse (A) white light
C.green light
D.flashing red light
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
最新試題
Buoys which mark dredging areas are painted（）.
An orange and white buoy marking a danger area will have what symbol on it?（）
An orange and white buoy marking an area where operating restrictions are in effect will be marked with which symbol? （）
A V-shaped ripple with the point of the V pointing upstream in a river may indicate a（）.
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 plane that cuts the Earth’s surface at any angle and passes through the center will always form（）.
Buoys which mark isolated dangers are painted with alternating（）.
A nun buoy will（）.
Buoys which only mark the left or right side of the channel will never exhibit a light with which characteristic? （）
Fishing stake，the position of which frequently（），exist in the area covered by this chart.