你可能感興趣的試題

單項選擇題

Magnetic heading differs from compass heading by（）.

A.compass error
B.true heading
C.variation
D.deviation

單項選擇題

Magnetic dip is a measurement of the angle between the（）.

A.geographic pole and the magnetic pole
B.lubber's line and true north
C.horizontal and the magnetic line of force
D.compass heading and the magnetic heading