When the warmed alloy is placed near a permanent magnet, like a rare-earth magnet, the alloy's magnetic force increases suddenly and dramatically.
当加热的合金放置在永久磁铁——如稀土磁铁附近时,合金的磁力会突然戏剧性地大幅增加。
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A current can also be induced by constantly moving a permanent magnet in and out of a coil of wire or by constantly moving a conductor near a stationary permanent magnet.