英语词汇“atomic mass”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 mass
释义	atomic mass Chem. the mass of an isotope of an element measured in units formerly based on the mass of one hydrogen atom taken as a unit or on ¹/₁₆ the mass of one oxygen atom, but after 1961 based on ¹/₁₂ the mass of the carbon-12 atom. Abbr.: at. m. [1895-1900]
随便看	atmospheric window Atna at. no. atoll atom atom bomb. atom-bomb atomic atomic age atomic bomb atomic clock atomic cocktail atomic energy. Atomic Energy Commission atomic hydrogen atomicity atomic mass atomic mass unit atomic number atomic orbital atomic pile atomic power. atomic reactor atomics atomic structure

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