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单词
rare-earth magnet
释义
rare-earth magnet
rare-earth magnet
[
′rer ‚ərth ′mag·nət
]
(electromagnetism)
Any of several types of magnets made with rare-earth elements, such as rare-earth-cobalt magnets, which have coercive forces up to ten times that of ordinary magnets; used for computers and signaling devices.
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更新时间:2026/4/19 15:52:18