A.should be passed close aboard on either side
B.indicates that special caution is required
C.is used at a channel bifurcation or junction
D.is painted with red and white vertical stripes
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A.easterly courses in high latitudes
B.southerly courses in high latitudes
C.westerly courses in low latitudes
D.easterly courses in low latitudes that cross the equator
A.plane tangent at one point
B.cylinder tangent at the equator
C.cone tangent at one parallel
D.infinite series of cones tangent at selected parallels
A.True position
B.True meridian
C.True course
D.True bearing
A.Longitude
B.Latitude
C.Height
D.Bearing
最新試題
An orange and white buoy with a rectangle on it displays（）.
An orange and white buoy marking a danger area will have what symbol on it?（）
From your position you observe a rotating white and green light to the north. This light is most likely（）.
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（）.
Branford reef is（）.
A V-shaped ripple with the point of the V pointing upstream in a river may indicate a（）.
A special purpose buoy shall be（）.
A relative bearing is always measured from（）.
Buoys are marked with reflective material to assist in their detection by searchlight. Which statement is TRUE? （）
A preferred-channel buoy will show a（）.