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.
流体运动由重力等外力引起的流体运动
Fluid motion caused by an external force such as gravity.
阻力流体介质,如水或空气对移动物体施加的阻力
The retarding force exerted on a moving body by a fluid medium such as air or water.
池有机体体内一种贮存流体的液囊或穴
A fluid-containing sac or cavity in the body of an organism.