A.Great circle
B.Equator
C.Small circle
D.Meridian
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A.great circle
B.loxodromic curve
C.small circle
D.gnomonic curve
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
最新試題
Buoys are marked with reflective material to assist in their detection by searchlight. Which statement is TRUE? （）
A SEAMARK，I.E. A BUOY，INDICATING THE NORTH，EAST，SOUTH OR WEST FROM A FIXED POINT，E.G. A WRECK is（）.
A V-shaped ripple with the point of the V pointing upstream in a river may indicate a（）.
A spherical buoy may be（）.
From your position you observe a rotating white and green light to the north. This light is most likely（）.
A preferred-channel buoy may be（）.
An orange and white buoy indicating a vessel-exclusion area will be marked with what symbol? （）
Buoys which mark isolated dangers are painted with alternating（）.
A mid-channel buoy，if lighted，will show a（）.
Buoys which only mark the left or right side of the channel will never exhibit a light with which characteristic? （）