a separation in the boundary layer of fluid about a moving streamlined body such as the wing of an airplane causing a breakdown in the smooth flow of fluid and resulting in turbulence
射流:流动的流线型物体(如飞机的机翼)周围流体边界层的分离，导致流体的平滑流动中断并产生湍流
以上为机器翻译结果，长、整句建议使用 人工翻译 。