magnetograph
音標[m?g'ni:t?ugrɑ:f] 讀音漢語翻譯
n. 磁場記錄計
【電】 磁動圖
英文解釋：
名詞 magnetograph:
- a scientific instrument that registers magnetic variations (especially variations of the earth's magnetic field)
詳細解釋：
mag.ne.to.graph
n.（名詞）A device for detecting and recording variations in the intensity and direction of magnetic fields.磁場記錄儀：用來探測和記錄磁場強度的方向和強度的裝置
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