本文基于弯道超高现象以及弯道流速计算的改进，得出了一种较为实用的泥石流沟床糙率计算方法。
On the basis of freeboard phenomenon in curve way and the improvement of curve flow velocity, this paper gets a useful calculating method of bed roughness.
收集和评估这些信息之后，我就帮助其他科学家一起预测熔岩接着将往何处流，流速是多少。
Having collected and evaluated the information, I help other scientists to predict where lava from the volcano will flow next and how fast it will flow.
这一模型的特点只需要知道边界上的基本边界条件和自然边界条件，就可以得到边界上所需要求的流函数和水流速度；
The characteristic of this model is only to know basic and natural boundary condition, then the stream function and flow velocity required on the boundary are obtained.
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