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permanent-magnet

英['pɜːmənəntm'æɡnɪt] 美['pɜːmənəntm'æɡnɪt]
  • 永久磁铁

详细释义

名词 permanent magnet:
  1. a magnet that retains its magnetism after being removed from a magnetic field

双语例句

    1. A permanent magnet assists closing and latches the breaker in the closed position.
      一个永久磁铁帮助跳开关闭合并锁定在闭合位。
    2. Other objects become magnetic only when in a magnetic field caused by a permanent magnet or an electromagnet.
      其它物体只有在处于永久磁铁或电磁铁形成的磁场中时才具有磁性。

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