名词
中文翻译：永久磁铁
同义词：
['常磁体，永磁体例句：1. The permanent-magnet motor is much more efficient than thetraditional one.（永久磁铁电机比传统电机更高效。）']
例句：
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1. The permanent-magnet motor is much more efficient than thetraditional one.
永久磁铁电机比传统电机更高效。
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2. The permanent-magnet generator hasa low noise level and long lifespan.
永久磁铁发电机噪音低，使用寿命长。
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3. The permanent-magnet technology iswidely used in many industries,such as electric vehicles and power tools.
永久磁铁技术广泛应用于电动汽车和电动工具等领域。