超音速飞机不会使所有亚音速飞机都淘汰。
Supersonic aircraft will not make all subsonic aircraft obsolete.
但在可预见的未来，亚音速飞机的形状不会发生根本的改变。
But it is unlikely that the shape of subsonic aircraft will change radically in the foreseeable future.
即使中国地区亚音速飞机排放的NO_x增加一倍，这个影响仍然比较小。
When subsonic aircraft NOX emission over China is doubled, its influence is still relatively small.
简要地介绍了亚音速飞机压力分布测量的飞行试验技术，并给出了部分试验结果。
Technique of in flight measurement of pressure distribution on a subsonic transport aircraft is introduced. Some flight test results are presented.
试飞员肯·柯林斯(他在51区的飞行代号为肯·科尔马)在低空测试飞机的亚音速发动机时遭遇了可怕的事故。
Things went horribly wrong for test pilot Ken Collins (flying under his Area 51 code name Ken Colmar) when testing the plane's subsonic engines at low altitude.
可以用它来计算亚音速时弹性飞机的升力分布及11个主要的纵向气动导数。
This method can be used to evaluate the lift distribution and 11 main longitudinal aerodynamic derivatives of elastic aircraft at subsonic speeds.
可以用它来计算亚音速时弹性飞机的升力分布及11个主要的纵向气动导数。
This method can be used to evaluate the lift distribution and 11 main longitudinal aerodynamic derivatives of elastic aircraft at subsonic speeds.
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