你可能感興趣的試題

If a magnetic compass is not affected by any magnetic field other than the Earth’s，which statement is TRUE?（）.

A.Compass error and variation are equal
B.Compass north will be true north
C.Variation will equal deviation
D.There will be no compass error

單項(xiàng)選擇題

If the compass heading and the magnetic heading are the same then（）.

A.the deviation has been offset by the variation
B.there is something wrong with the compass
C.the compass is being influenced by nearby metals
D.there is no deviation on that heading

If（）is shut down for an extended time optimum position fixing will take up to 2 hours after power is reapplied．

你可能感興趣的試題

If a magnetic compass is not affected by any magnetic field other than the Earth’s，which statement is TRUE?（）.

If the compass heading and the magnetic heading are the same then（）.

If a magnetic compass is not affected by any magnetic field other than the Earth’s，which statement is TRUE?（）.