supersonic flow
Technical term in fluid dynamics referring to flow where the velocity exceeds the speed of sound.
Shock waves occur in supersonic flow.
Subsonic flow, where the velocity is below the speed of sound, in contrast to 超音速流.
Transonic flow, where the velocity is near the speed of sound, bridging subsonic and supersonic regimes.
Compound of 超音速 (supersonic) and 流 (flow).