请输入您要查询的英文单词:

 

单词 mach number
释义

WordReference Random House Unabridged Dictionary of American English © 2024
mach num′ber, 
  1. Physicsmach.
Also, Mach num′ber. 
  • 1935–40

Collins Concise English Dictionary © HarperCollins Publishers::
Mach number n
  1. (often not capital) the ratio of the speed of a body in a particular medium to the speed of sound in that medium. Mach number 1 corresponds to the speed of sound
    Often shortened to: Mach
Etymology: 19th Century: named after Ernst Mach
随便看

 

英语词典包含188688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。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2025/7/19 17:33:44