名词
中文翻译：永久磁性铁氧体
同义词：
['permanent magnet', 'permanent magnet material']
例句：
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1. The permanent magnet is used in many applications such as motors and generators.
永久磁铁被用于许多应用，如电机和发电机。
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2. The permanent magnet material has a high coercivity and low remnant flux density.
永久磁铁材料具有高矫顽力和低剩余磁通密度。
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3. The permanent magnet material is widely used in the manufacturing of electronic devices.
永久磁铁材料广泛应用于电子器件的制造中。