river model tests

• 河工模型

river model tests的用法和样例：

例句

1. Roughening in river models is a very important method to meet resistance similarity.
   河工模型是解决江河治理及大型水利水电工程泥沙问题的主要手段。
2. By the calculating of the distorted models and the undistorted model of the circumfluence, the effect of the distortion ration on the flow is analyzed.
   采用平面二维模型，在数学模型的基础上，计算变率使河工模型弯道水流在相似性上产生的影响。