Lower oxidation of powder and smaller powder particle size are effective for improving the performance of a rare-earth magnet.
为了实现稀土类磁体的高性能化，有效的是减少粉末的氧化，缩小粉末的粒径。
The magnetic materials comprise resin and magnetic powder, wherein the average particle size of the magnetic powder is smaller than 20 microns.
磁性材料包括一树脂与一磁性粉末，其中磁性粉末的平均粒径小于20微米。
The magnetic materials comprise resin and magnetic powder, wherein the average particle size of the magnetic powder is smaller than 20 microns.
磁性材料包括一树脂与一磁性粉末，其中磁性粉末的平均粒径小于20微米。
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