跨音速的:速度接近音速(略低于或略高于),约0.8至1.2马赫。
跨音速的:速度接近音速(略低于或略高于),约0.8至1.2马赫。
Just below, or just above, the speed of sound (0.8 < Ma < 1.2 approximately).
从亚音速过渡到超音速,或反之。
Passing from subsonic to supersonic, or vice versa.
在流体(通常为空气)中运动,其速度使物体表面不同部位同时存在超音速和亚音速流区域。
Travelling through a fluid (commonly air) at a speed where regions of supersonic and subsonic flow coexist simultaneously over different portions of the surface of the moving object in question.
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