| 单词 | relativistic speed |
| 释义 | relativistic speed A speed that is sufficiently large to make the mass of a body significantly greater than its rest mass. It is usually expressed as a proportion of the speed of light. See relativity; relativistic mass |
| 随便看 |
物理辞典收录了3346条物理词条，基本涵盖了常用物理知识及物理英语单词词组的翻译及用法，是物理学习的有利工具。