英语词汇“atomic standard”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	atomic standard
释义	atomic standard atomic standard [ə′täm·ik ′stan·dərd] (physics) Any supposedly immutable property of an atom, such as the wavelength or frequency of a characteristic spectral line, in terms of which a unit of a physical quantity is defined.
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