英语词汇“Mach”的翻译、意思、用法、释义-英汉双解词典-霍普软件下载网

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单词	Mach
释义	Mach [mɑ:k] [mæk] noun uncountable ■a measurement of speed which is calculated by dividing the speed of an object, often an aircraft, by the speed of sound 马赫（飞行速度与音速之比值）
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