問題詳情

25. The horizontal B and C components of ______ magnetism cause variousdeviations of the magnetic compass when the ship swings in heading on an even keel.Plotting such deviations against compass heading yields the sine and cosine curves.
(A) induced
(B) temporary
(C) permanent
(D) transient

參考答案

答案:C
難度:困難0.324324
統計:A(8),B(6),C(12),D(6),E(0)

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