磁强传感器设备被用作3d罗盘，它们可以收集金属结构信息。
Instruments called magnetometers act as 3d compasses. They gather information about metallic structures.
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。
The structure of the magnet was investigated by XRD, optical microscope, TEM and SEM, and its demagnetization curve was tested by magnetograph.
磁引力即使透过一片薄的纸也可以起效的，如果像声称的那么强的磁性，磁铁人应该穿上衬衫也可以吸附东西。
Magnetic attraction works even through a thin piece of paper, and if the magnetism is as strong as is claimed, the magnetic people should be able to do their trick with a shirt on.
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