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马赫数
mǎ​hè​shù

Mach number

Definitions Defs Origin Strokes Stroke Words Sentences Sents
马赫数 馬赫數 mǎ​hè​shù
Mach number
the ratio of the speed of an object to the speed of sound in the surrounding medium, used in fluid mechanics and aerodynamics

Frequency

Written text
0.062 per million

Sources

Frequency data
BCC Corpus (BLCU)