英语词汇“packing fraction”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	packing fraction
释义	packing fraction noun : a measure of the loss or gain of total mass in a group of nucleons when they are brought together to form an atomic nucleus : the ratio multiplied by 10,000 of the mass defect to the mass number
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