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从商业客机投入使用的第一天开始,速度一直是航空界追求的目标之一。如果出现一种经济上可行,又满足环保要求的超声速运输机,很有可能将相当一部分的亚声速运输机挤出国际空运市场。
From the very first day commercial airliners were put into operation, speed has been one of the goals pursued by the aviation community. If there is an economically viable supersonic transport that meets the environmental requirements, it is likely that a significant proportion of subsonic conveyors will be forced out of the international air transport market.