单选题Variation is a compass error that you（）.Acan correct by adjusting the compass cardBcan correct by adjusting the compensating magnetsCcan correct by changing the vessel's headingDcannot correct
单选题
Variation is a compass error that you（）.
A
can correct by adjusting the compass card
B
can correct by adjusting the compensating magnets
C
can correct by changing the vessel's heading
D
cannot correct
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相关考题：
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The compass rose on a nautical chart indicates both variation and ______.A.deviationB.annual rate of variation changeC.precessionD.compass error
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How is variation indicated on a small-scale nautical chart?______.A.Magnetic compass tableB.Magnetic meridiansC.Isogonic linesD.Variation is not indicated on small-scale nautical charts
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