名词
中文翻译：永久磁铁效应
同义词：
['permanent magnetism', 'permanent magnetic effect']
例句：
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1. The permanent magnets are used in many industrial applications.
永久磁铁被用于许多工业应用中。
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2. The permanent magnets have a strong magnetic field that can be easily controlled by an external source.
永久磁铁具有一个强大的磁场，可以通过外部源轻松控制。
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3.Permanent magnets are often used in devices that require high precision and stability, such as motors and generators.
永久磁铁通常用于需要高精度和稳定性的设备中，如电动机和发电机。