“high vacuum system”的概念、定义、翻译、参考文献-科学参考

单词	high vacuum system
释义	high vacuum system Encyclopedia 理学〔第一批〕释 high vacuum system高真空系统本底压力在l0-3～10-6帕的真空系统。
随便看	permutation graph permutation group permutation homeomorphism permutation identity permutation index permutation inversion permutation involution permutation matrix permutation of arguments permutation of a set permutation of codes permutation of columns permutation of elements permutation of indices permutation of numbers permutation of planar on shell diagram permutation of planar on-shell diagram permutation of planar onshell diagram permutation of rows permutation of variables permutation operator permutation pattern permutation pseudo-tensor permutation rank permutation relation

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