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单词 packing fraction
释义 packing fractionn.Physics(名词)【物理学】
  1. The quotient of the algebraic difference between the isotopic mass and the mass number of a nuclide, divided by its mass number, often interpreted as a measure of stability.敛集率,聚集率:核素的同位素量和质量数之间的差额被它的质量数除所得到的商,通常被看作是测量稳定性的标准
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