你可能感興趣的試題

單項選擇題

Deviation which is maximum on intercardinal compass headings may be removed by the（）.

A.Flinders bar
B.transverse magnets
C.fore-and-aft magnets
D.soft iron spheres on the sides of the compass

單項選擇題

Deviation is the angle between the（）.

A.true meridian and the axis of the compass card
B.true meridian and the magnetic meridian
C.magnetic meridian and the axis of the compass card
D.axis of the compass card and the degaussing meridian

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Due to GPS roll over of the clock cycle，GPS receivers may give the wrong time and position or may lock up permanently on（）.

你可能感興趣的試題

Deviation which is maximum on intercardinal compass headings may be removed by the（）.

Deviation is the angle between the（）.

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Due to GPS roll over of the clock cycle，GPS receivers may give the wrong time and position or may lock up permanently on（）.