24. 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(136), B(145), C(430), D(65), E(0) #2999698

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24. 當船在平穩的龍骨上搖擺時,___...
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24. 船在平底(正浮,even keel)航向偏轉時,______ 磁性的水平 B 與 C 分量會引起磁羅經的各種偏差。將此類偏差對羅經航向作圖,會產生正弦(sine)與餘弦(cosine)曲線。

(A) 感應的(induced)

(B) 暫時的(temporary)

(C) 永久的(permanent)

(D) 瞬態的(transient)

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