The invention has the advantages that the nano permanent magnet material in the true sense is obtained, and the preparation method is simple.
本发明的优点在于：实现了真正意义上的纳 米尺寸永磁材料，制备方法简单。
The invention has the advantages that the nano permanent magnet material in the true sense is obtained, and the preparation method is simple.
本发明的优点在于：实现了真正意义上的纳 米尺寸永磁材料，制备方法简单。
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