你可能感興趣的試題

單項選擇題

The reaction of a gyrocompass to an applied force is known as（）.

A.precession
B.earth rate
C.gyroscopic inertia
D.gravity effect

單項選擇題

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