“permanent magnet”的概念、定义、翻译、参考文献-科学参考

单词	permanent magnet
释义	permanent magnet [`pǝr·mǝ·nǝnt `mag·nǝt] ^{ELECTROMAGNETISM} A piece of hardened steel or other magnetic material that has been strongly magnetized and retains its magnetism indefinitely. Abbreviated PM.
随便看	palmitic acid palmitoleic acid palm kernel oil palm nut palm nut oil palm oil palm wax Palmyridae palouser palp palpable palpable coordinate palpal organ palpation Palpatores palpebra palpebral disk palpebral fissure palpebral fold Palpicornia palpiger Palpigradida palpitate palpocil palpus

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