单项选择题
The directive force of a gyrocompass（）.
A.increases with latitude，being maximum at the geographic poles
B.decreases with latitude，being maximum at the geographic equator
C.is greatest when a vessel is near the Earth's magnetic equator
D.remains the same at all latitudes
点击查看答案&解析
相关考题
-
单项选择题
The difference between magnetic heading and compass heading is called（）.
A.variation
B.deviation
C.compass error
D.drift -
单项选择题
The compass heading of a vessel differs from the true heading by（）.
A.compass error
B.variation
C.magnetic dip
D.deviation -
单项选择题
The compass error of a magnetic compass that has no deviation is（）.
A.zero
B.equal to variation
C.eliminated by adjusting the compass
D.constant at any geographical location
