当机台上方的热通量越大，其产生的涡漩区范围和回流速度越大。
If the heat flux is large, the vortex region and velocity are large on top of the machine platform.
静脉畸形的治疗应根据部位、大小和回流速度选用不同的治疗方法。
The treatment of venous malformation should be based on the location, size and return rate.
最大回流速度可达主流平均速度57%左右此外，本文还研究了惯性效应。
Its maximum velocity is about 57% of the average velocity of the mainstream. Inertial effect is also studied in this paper.
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