單項選擇題

A single vertical magnet placed underneath the compass in the binnacle is used to compensate for（）.

A.the horizontal component of the permanent magnetism
B.deviation caused by the vessel's inclination from the vertical
C.induced magnetism in the horizontal soft iron
D.induced magnetism in the vertical soft iron

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單項選擇題

A compass card without north-seeking capability that is used for relative bearings is a(n)（）.

A.bearing circle
B.pelorus
C.bearing bar
D.alidade

單項選擇題

（）is on the panel of DF.

A.RINGS INT
B.SWEEP INT
C.REPEATER
D.GONIOMETER

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A single vertical magnet placed underneath the compass in the binnacle is used to compensate for（）.

你可能感興趣的試題

A compass card without north-seeking capability that is used for relative bearings is a(n)（）.

（）is on the panel of DF.

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