单选题Magnetic dip is a measurement of the angle between the（）.Ageographic pole and the magnetic poleBlubber's line and true northChorizontal and the magnetic line of forceDcompass heading and the magnetic heading
单选题
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
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