As for the permanent magnet in the system, the (equivalent) current model is adopted.
对系统中的永磁体，采用了等效电流模型。
The trend of the index loss of the magnet with increasing current was studied.
研究了磁体的指数损耗随电流变化的趋势。
If the bar magnet is simply held stationary near the coil, no current is indicated.
如果磁棒单纯静止在线圈附近，就检测不到电流。
Magnetism of the bar magnet is produced by the surface molecule electric current.
磁块的磁性，是由磁块的表面分子电流产生的。
The current research on porous magnet is reviewed.
对近年来多孔磁体的研究进行了综述。
The current research on porous magnet is reviewed.
对近年来多孔磁体的研究进行了综述。
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