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permanent magnet

/ˈpɜːrmənənt ˈmæɡnɪt/

翻译: 一种能够长期保持自身磁性的材料或物体,无需外部电流或磁场即可维持磁性。

1 个条目

phrase

/ˈpɜːrmənənt ˈmæɡnɪt/C1formalscientific
  • zh一种能够长期保持自身磁性的材料或物体,无需外部电流或磁场即可维持磁性。

A material or object that retains its magnetic properties over a long period without needing an external electric current or field to maintain its magnetism.

  1. Object with persistent magnetic fieldB2formal

    A material or object that produces its own persistent magnetic field without the need for an external electric current.

    zh永磁体

    • A compass needle is a permanent magnet that aligns with the Earth's magnetic field.
    • Permanent magnets are used in electric motors and generators.
    • The refrigerator door is held shut by a permanent magnet.