英语词汇“Mach”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	Mach
释义	Mach (mɑːk ) uncountable noun Mach is used as a unit of measurement in stating the speed of a moving object in relation to the speed of sound. For example, if an aircraft is travelling at Mach 1, it is travelling at exactly the speed of sound. [technical] The hot air permitted higher speeds before the critical Mach number was exceeded. The aim is to fly at about Mach 2, twice the speed of sound.
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