| 单词 | principal quantum number |
| 释义 | principal quantum number [`prin·sǝ·pǝl `kwän·tǝm ´nǝm·bǝr] ATOMIC PHYSICS A quantum number for orbital electrons, which, together with the orbital angular momentum and spin quantum numbers, labels the electron wave function; the energy level and the average distance of an electron from the nucleus depend mainly upon this quantum number. |
| 随便看 |
|
科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。