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單項(xiàng)選擇題

A position that is obtained by applying estimated current and wind to your vessel’s course and speed is a(n)（）.

A.dead reckoning position
B.estimated position
C.fix
D.None of the above

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單項(xiàng)選擇題

A position obtained by crossing lines of position taken at different times and advanced to a common time is a(n)（）.

A.running fix
B.dead-reckoning position
C.fix
D.estimated position

單項(xiàng)選擇題

A position obtained by applying only your vessel’s course and speed to a known position is a （）.

A.dead-reckoning position
B.fix
C.probable position
D.running fix

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