“永久的”的概念、定义、翻译、参考文献-科学参考

单词	永久的
释义	永久的 Physics permanent①永久的，永恒的 ②积和式^† Mathematics permanent积和式^†；永久量；永久的
随便看	Urysohn separation axiom Urysohn space Urysohn theorem Urysohn-Tikhonov theorem Uryson USA usability Usability Engineering usability engineering usability expert Usability Heuristics usability laboratory usability research Usability Testing usable usable aperture usable area usable capacity usable direction usable energy usable part USA Cable Communications Policy Actx USA Children's Television Act USA Communications Act US Act of Water Resources Planning

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