25. 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(108), B(86), C(277), D(42), E(0) #1444678

詳解 (共 2 筆)

#3811765
本題有B C自差C沒有感應磁性自差 故不...
(共 38 字,隱藏中)
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#1558435
當船在平穩龍骨上的航向擺動時,______磁性的水平B和C分量引起磁羅盤的各種偏差。 繪製這樣的偏離羅盤方向的偏差得到正弦和余弦曲線。
(A)誘導
(B)臨時
(C)永久性
(D)瞬態
(google翻譯)
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