5. The horizontal B and C components of ______ magnetism cause various deviations 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

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統計: A(0), B(2), C(4), D(0), E(0) #3833719

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