单项选择题
A vessel’s position should be plotted using bearings of（）.
A.buoys close at hand
B.fixed known objects on shore
C.buoys at a distance
D.All of the above
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相关考题
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单项选择题
A single line of position combined with a dead-reckoning position results in a(n)（）.
A.running fix
B.fix
C.estimated position
D.assumed position -
单项选择题
A relative bearing is always measured from（）.
A.true north
B.magnetic north
C.the vessel's beam
D.the vessel's head -
单项选择题
A position that is obtained by using two or more intersecting lines of position，taken at nearly the same time，is a(n)（）.
A.estimated position
B.fix
C.running fix
D.dead-reckoning position
