单选题Magnetic compass deviation（）.Avaries depending upon the bearing usedBis the angular difference between magnetic north and compass northCis published on the compass rose on most nautical chartsDis the angular difference between geographic and magnetic meridians
单选题
Magnetic compass deviation（）.
A
varies depending upon the bearing used
B
is the angular difference between magnetic north and compass north
C
is published on the compass rose on most nautical charts
D
is the angular difference between geographic and magnetic meridians
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