quiet supersonic transport
如，美国洛克希德•马丁正在研发一种“宁静超音速飞机”（Quiet Supersonic Transport ），最高飞行速度可达到音速的1.6倍，将采用一系列最新开发的空气动力学技术，特别是特殊的机头和倒“V”字形的尾舵设计，见图1 ...
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quiet supersonic transport
安静超音速运输机
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Supersonic Aerospace International have been developing a 12-seater luxury aircraft, the Quiet Supersonic Transport (QSST) jet, which they hope will take to the skies in 2013 and reduce the noise of the sonic boom to no more than the noise level of a truck driving past your window.
CNN: Bang goes the sonic boom