部分气泡被旋涡空化团所包含，因此在通气条件下，空化涡中包含有空化泡和空气泡。
With the motion of separating vortices, some of them flow downstreamly as a free air bubbles, and some move to the shear layer flow region entrained by cavitating vortices.
作用在任意运动物体（系）上的力和力矩可以分别表示成流场中动力学涡量的一阶矩和二阶矩随时间的变化率。
The force and moment exerted on the solid body are expressed as the rate of change of the first-and second-order kinetic vorticity moments, respectively.
因此，南海环流的多涡结构与中尺度波动之间存在着一定的联系。
Thus, there exist some relationship between the multi-eddy structure of the South China Sea circulation and mesoscale fluctuation.
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