单项选择题
A position that is obtained by applying estimated current and wind to your vessel’s course and speed is a(n) （）.
A.estimated position
B.dead reckoning position
C.fix
D.None of the above
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相关考题
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单项选择题
A position obtained by crossing lines of position taken at different times and advanced to a common time is a(n) （）.
A.dead-reckoning position
B.running fix
C.estimated position
D.fix -
单项选择题
A position obtained by applying ONLY your vessel’s course and speed to a known position is a （）.
A.fix
B.dead-reckoning position
C.running fix
D.probable position -
单项选择题
A polyconic projection is based on a （）.
A.plane tangent at one point
B.cylinder tangent at one parallel
C.cone tangent at one parallel
D.series of cones tangent at selected parallels
