Compass error is equal to the ____. A. deviation minus variation B. variation plus compass course C. combined variation and deviation D. difference between true and magnetic heading

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The error in a magnetic compass caused by the vessel‘s magnetism is called _____ . A. variation B. deviation C. compass error D. bearing error

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My gyro-compass ___ is 0.2 degree east.A. trouble B. error C. wrong D. mistake

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单选题

Compass error is equal to the ____.A. deviation minus variationB. variation plus compass courseC. combined variation and deviationD. difference between true and magnetic heading

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单选题

compass

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单选题

On a nautical chart, the inner ring of a compass rose indicates ___ .A. true directions B. compass errorC. deviation D. magnetic directions

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