英语词汇“machmeters”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

machmeters

释义

Mach number /mak, mähh numˈbər/

noun

The ratio of the air speed (ie speed in relation to the air) of an aircraft to the velocity of sound under the given conditions
The speed of sound

ORIGIN: Ernst Mach (1838–1916), Austrian physicist and philosopher

machˈmeter noun

An instrument for measuring Mach number

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