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
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A.True position
B.True meridian
C.True course
D.True bearing
A.Longitude
B.Latitude
C.Height
D.Bearing
最新試題
A plane that cuts the Earth’s surface and passes through the poles will always form（）.
A preferred-channel buoy will show a（）.
A white buoy with a blue band is（）.
A relative bearing is always measured from（）.
A white buoy with an open-faced orange diamond on it indicates（）.
A plane perpendicular to the polar axis will never form what line on the Earth’s surface? （）
An orange and white buoy with a rectangle on it displays（）.
An orange and white buoy marking an area where operating restrictions are in effect will be marked with which symbol? （）
How would you pass a red buoy in the maritime buoyage system “A”? （）
A yellow buoy may exhibit a(n)（）.