你可能感興趣的試題

The quadrantal spheres are used to（）.

A.Remove deviation on the intercardinal headings
B.Remove deviation on the cardinal compass headings
C.Remove heeling error
D.Compensate for induced magnetism in vertical soft iron

單項(xiàng)選擇題

The MOST important feature of the material used for making the binnacle of a standard magnetic compass is that it is（）.

A.nonmagnetic
B.weatherproof
C.corrosion resistant
D.capable of being permanently affixed to the vessel

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The variation for most given areas undergoes（）change，the amount of which is also noted on charts.

你可能感興趣的試題

The quadrantal spheres are used to（）.

The MOST important feature of the material used for making the binnacle of a standard magnetic compass is that it is（）.

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The variation for most given areas undergoes（）change，the amount of which is also noted on charts.