提出模型中弗劳德数和密度弗劳德数必须同时与原型相等。
Furthermore, the Froude number and density Froude number of the flow in model and prototype should be the same.
而坡面流弗劳德数在整个试验过程中均大于1，属于急流范围。
The Froude number of runoff flow larger than 1 under the all experiments and it is belongs to the turbulent condition.
扰动地面的雷诺数和阻力系数均大于原地面，弗劳德数差异不显著；
The Reynolds number and the resistance coefficient of the disturbed land was more than that of the undisturbed land.
对射流核长度、射流扩散角与出口弗劳德数、淹没水深之间的关系进行了探讨。
The relations among the length of the core region, the diffusion angle and the froude number and the submerged depth were also studied.
影响汇流口的主要控制因素有：汇流比、汇流角、河床高差、宽深比、汇流口下游干流弗劳德数等。
All of them are controlled by following factors: discharge ratio, junction Angle, difference in bed height, width to depth ratio and Froude number downstream the confluences.
分析了自由液面在流场绕过圆柱时的变化，并分析了自由液面对流场绕过圆柱的尾迹的影响，总结流场对不同的雷诺数和弗劳德数的变化规律。
Analysed the deformation of free surface, the influence of free surface to fluid wake, concluded the rule of fluid which changed with the Reynolds number and Froude number.
分析了自由液面在流场绕过圆柱时的变化，并分析了自由液面对流场绕过圆柱的尾迹的影响，总结流场对不同的雷诺数和弗劳德数的变化规律。
Analysed the deformation of free surface, the influence of free surface to fluid wake, concluded the rule of fluid which changed with the Reynolds number and Froude number.
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