A.Luminous range
B.Geographic range
C.Nominal range
D.Meteorological range
您可能感興趣的試卷
你可能感興趣的試題
A.from a submarine on the surface
B.the light at Southeast Point
C.at an airport
D.on a coastal patrol vessel
A.removed
B.altered
C.corrected
D.converted
A.always be nearer to the equator
B.always be nearer to the elevated pole
C.be nearer to the pole in the Northern Hemisphere and nearer to the equator in the Southern Hemisphere
D.be nearer to the pole or the equator depending on the latitudes of the arrival and departure positions
A.Flashing
B.Quick flashing
C.Composite group flashing
D.Equal interval (isophase)
A.red and black bands
B.green and black bands
C.red and white stripes
D.green and white bands
最新試題
An orange and white buoy with a rectangle on it displays（）.
A plane perpendicular to the polar axis will never form what line on the Earth’s surface? （）
A rock and sand structure extending from the bank of the river toward the channel is known as 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（）.
A V-shaped ripple with the point of the V pointing upstream in a river may indicate a（）.
A relative bearing is always measured from（）.
Fishing stake，the position of which frequently（），exist in the area covered by this chart.
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 vessel is（）when she is not at anchor，made fast to the shore，or aground.
An orange and white buoy indicating a vessel-exclusion area will be marked with what symbol? （）