magnetograph
🇬🇧/mæɡˈniːtəɡrɑːf/ 🇺🇸/mæɡˈniːtəˌɡræf; mæɡˈniːtəˌɡrɑːf/ 0a recording magnetometer, usually used for studying variations in the earth's magnetic field (用于研究地球磁场中变化的)磁力记录计
noun [专属名词]磁力记录计，磁场记录仪
The structure of the magnet was investigated by XRD, optical microscope, TEM and SEM, and its demagnetization curve was tested by magnetograph.
用X射线衍射仪、光学金相显微镜、透射电镜和扫描电镜研究了磁体的结构； 用磁强自动记录仪测量了磁体的退磁曲线。
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