“hard superconductor”的概念、定义、翻译、参考文献-科学参考

单词	hard superconductor
释义	hard superconductor [`härd `sü·pǝr·kǝn´dǝk·tǝr] ^CRYOGENICS A superconductor that requires a strong magnetic field, over 1000 oersteds (79,577 amperes per meter), to destroy superconductivity; niobium and vanadium are examples.
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