馬赫

Chinese

phonetic
trad. (馬赫) 馬 赫
simp. (马赫) 马 赫

Pronunciation

Proper noun

馬赫

  1. Mach (surname)

Classifier

馬赫

  1. (physics) Mach

Usage notes

In nonstandard unscientific usages, the term is sometimes used as a unit of speed based on the speed of sound at sea level, disregarding pressure variation or even the absence of air.

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