| 释义 |
mass defect mæsdiˈfekt Ｓ
基本英英近义反义例句
n.物质量亏损
功和能
Noun:
the amount by which the mass of an atomic nucleus is less than the sum of the masses of its constituent particles近义词 mass deficiency质量不足
用作名词The energy required to separate particles from a molecule or atom or nucleus,equals themass defect.为从一个分子或原子或核子中分离颗粒所必须的能量，等同于质量亏损。 |