“ultrahigh vacuum”的概念、定义、翻译、参考文献-科学参考

单词	ultrahigh vacuum
释义	ultrahigh vacuum [¦ǝl·trǝ`hī `vak·yǝm] ^PHYSICS A vacuum in which the pressure is of the order of 10^-10 millimeter of mercury or less.
随便看	Oegopsida Oehman's survey instrument O electron Oepikellacea oersted Oersted experiment Oestridae O-ethyl-O-para-nitrophenyl phenylphosphonothioate Oetling freezing method off off-airways off-carriage fire control off-carriage fire control equipment off-center plan position indicator off-count mesh offense against the sine condition offensive grenade offhand grinding off-highway truck off-highway vehicle off-hook off-hook service office automation official master drawing officials' inspection lamp

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