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词汇 mass defect
类别 英汉双解翻译词典
释义 mass defectn.(名词)
  1. The amount by which the mass of an atomic nucleus is less than the sum of the masses of its constituent particles. Also called mass deficiency 质量亏损:同位素的质量与其用原子质量单位表示的质量数之差 也作 mass deficiency
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