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A bar on horseshoe magnet is called a permanent magnet.
棒形或马蹄形磁体称为永磁体。
youdao
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The magnetic state of a bar magnet or a horseshoe magnet is extremely complicated.
条形磁铁或马蹄形磁铁的磁态是极其复杂的。
youdao
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The magnetic state of a bar magnet or a horseshoe magnet is extremely complicated.
条形磁铁或马蹄形磁铁的磁态是极其复杂的。
youdao