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	WordReference Random House Unabridged Dictionary of American English © 2024 pack′ing frac′tion, PhysicsPhysics. a measure of the stability of an atomic nucleus, equal to 10⁴ multiplied by the mass defect and divided by the mass number. 1925–30
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