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單項(xiàng)選擇題

Admiralty Charts are published in （）.

A.U.S.A
B.China
C.U.K
D.Japan

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單項(xiàng)選擇題

A true bearing of a charted object，when plotted on a chart，will establish a （）.

A.fix
B.line of position
C.relative bearing
D.range

單項(xiàng)選擇題

A chart position enclosed by a semi-circle is a(n) （）.

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