a number representing the ratio of the speed of a body to the speed of sound in the surrounding atmosphere
A Mach number of two indicates a speed that is twice that of sound
[named after Ernst Mach d.1916, Austrian physicist]
| 单词 | Mach number |
| 释义 | Mach number |
| 随便看 |
英语词典包含66266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。