英语词汇“mass number”的意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-ABC网

单词	mass number
释义	mass number 汉语翻译【化】质量数【医】 [原子]质量数英语解释：名词 mass number: the sum of the number of neutrons and protons in an atomic nucleus 同义词：nucleon number
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mass number