| 单词 | packing fraction |
| 释义 | packing fraction in British Englishnoun a measure of the stability of a nucleus, equal to the difference between its mass in amu and its mass number, divided by the mass number packing fraction in American English the ratio of the mass defect of an isotope to its mass number, equal to (M − A) ÷ A, where M is the atomic mass and A is the mass number: usually expressed as parts per 10,000 |
| 随便看 |
|
英语词典包含298861条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。