在表姐妹乔德尔、表兄弟德里扬塔、肖兰和儿子伦帕瓦鲁姆普的帮助下，他从叶维萨人的手里救出了汉。
With the help of his Cousins Jowdrrl, Dryanta, and Shoran, and his son, Lumpawarrump, he rescued han from Yevethan clutches.
其一是圆管层流（又称泊肖叶流动），得到其流量和沿管方向压力梯度之间的解析关系式。
One was the laminar flow in the pipe(also called the Poiseuille flow). The analytic form of the relationship between the flow rate and the pressure gradient along the pipeline was obtained.
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