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Mach
mɑːk max mɑk
N-UNCOUNT 马赫(速度单位,1马赫等于1倍音速) 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. 马赫(速度单位,1马赫等于1倍音速) [technical]
  • The hot air permitted higher speeds before the critical Mach number was exceeded.

    热空气可使之在超过临界马赫数之前达到更快的速度。

  • The aim is to fly at about Mach 2, twice the speed of sound.

    目标是以大约2马赫的速度飞行,也就是音速的两倍。

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Mach
Units for measuring speed of movement: acceleration, knot, kph...

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