Reynolds law of similarity

例句：

1. 1.The Reynolds law states that the viscosity of a fluid is proportional to its density and shear rate.
   雷诺定律指出，流体的粘度与其密度和剪切率成正比。
2. 2. In the study of fluid flow, the Reynolds law is used to determine the behavior of viscous fluids under different conditions.
   在流体流动研究中，雷诺定律用于确定不同条件下粘性流体的行为。
3. 3. The Reynolds law has been widely applied in engineering design, where it helps predict theflow patterns and pressure distributions in pipes and channels.
   雷诺定律在工程设计中得到了广泛应用，帮助预测管道和通道中的流态和压力分布。