mǎ​hè

Ernst Mach

马赫 馬赫 mǎ​hè
Ernst Mach
Austrian physicist and philosopher (1838–1916) who studied supersonic speed and shock waves
Mach number
Ratio of the speed of an object to the speed of sound in the surrounding medium

Frequency

Movie subtitles
0.150 per million appears in 0% of films
Written text
3.83 per million

Cross-References

Classifier

Sources