The field may be provided by permanent magnets or by electromagnets.
外地可能提供的永磁材料,或由电磁铁.
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Other electromagnets would push and pull the train along the track.
其他的电磁铁会在轨道上拉或者推火车.
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Electromagnets would be used to dissipate the energy of an anti - tank missile.
电磁体是用来消散 反 坦克导弹的能量的.
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Electromagnets find frequent application in research, industry, medical, and consumer products.
电磁铁在研究, 工业, 医学, 和消耗品上有广泛的应用.
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Electromagnets are very useful in our daily lives.
电磁铁在日常生活中用处非常大.
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The generator represents magnetron , packaged with constants and electromagnets ( 2 coils magnetic ) in the magnetic - shielded ceramic - metal execution.
该磁控管的设计采用电磁石,封装采用金属陶瓷.
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Electromagnets in the wings below the guideway are attracted upward toward iron bars in the guideway.
导轨下方两[翼]中所藏之电磁铁受吸力引向导轨中的铁条.
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It is customary to use electromagnets rather than permanent magnets for the field.
在实际使用中.普遍的方法是用电磁代替永久磁体.
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An electromagnet behaves like a permanent magnet. Large electromagnets are used for lifting heavy iron object.
电磁铁能像磁铁般有吸力, 可用于搬勋重的铁.
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This paper presents a microstroke mechanism driven by electromagnets and its control circuit design.
介绍一种电磁铁驱动的微进给机构及其控制电路设计.
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