Instead of the sonic nozzle, low supersonic nozzles have been utilized to solve the choking problem in transonic wind tunnel testing of high angle-of-attack and high blockage.

本文介绍用低超声速喷管代替声速喷管，解决了大迎角大堵塞度跨声速实验时的风洞壅塞问题。

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The F-5 is an agile, highly maneuverable, reliable supersonic fighter, combining advanced aerodynamic design, engine performance and low operating costs.

F - 5是一架灵活、高度可控、可靠的超音速战斗机，它结合了先进的气动设计、发动机性能和低运营成本。

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The F-22 is characterized by a low-observable, highly maneuverable airframe; advanced integrated avionics; and aerodynamic performance allowing supersonic cruise without afterburner.

歼22的特点是低看得见，高机动性机身；先进的综合航空电子系统；与动力表现让超音速巡航无加力。

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"We considered over 30 designs and believe that the QSST is the only design that meets all the desired requirements including range, take-off and landing field length, take-off noise, emissions and sufficiently low sonic boom characteristics to enable supersonic flight over land, " he told CNN.

CNN: Bang goes the sonic boom