“packing fraction”的概念、定义、翻译、参考文献-科学参考

单词	packing fraction
释义	packing fraction [`pak·iŋ ´frak·shǝn] ^{NUCLEAR PHYSICS} The quantity (M-A )/A, where M is the mass of an atom in atomic mass units and A is its atomic number.
随便看	cement silo cement temper cementum cement valve Cen Cenomanian cenote Cenozoic censored data census cent cental centare Centaurus Centaurus A Centaurus cluster Centaurus X-3 center centerboard center-coupled loop center drill centered lattice center-feed tape center-fire center frequency

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