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为什么超声速客机消失了?
如今,世界上没有一架超声速客机在运营。如果你经常乘坐飞机或者你是一个航空迷,你可能发现了这样一个有些奇怪的现象:如今,许多战斗机都能轻松突破声速,快的甚至能超过3倍声速,但在民用航空领域,却没有一架客机能超声速飞行。这是为什么呢?第二次世界大战以后, ...
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