英语词汇“mass number”的中英文释义、用法、翻译及短语词组-英汉翻译词典-东流网

单词	mass number
释义	mass number 英?[m?s ?n?mb?] 美?[m?s ?n?mb?] 释义 n. （原子）质量数英英释义 Noun 1. the sum of the number of neutrons and protons in an atomic nucleus 行业词典物理学质量数???
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mass number