Saint-Venant's principle

例句：

1. 1. The principle of Saint-Venant is fundamental to understanding fluid dynamics in a turbulent flow.
   圣文森特原理是理解湍流流动中流体动力学的基础。
2. 2.In the study of atmospheric science, understanding the principles of Saint-Venant is crucial for predicting weather patterns.
   在大气科学研究中，理解圣文森特原理对于预测天气模式至关重要。
3. 3. The application of Saint-Venant's principle has revolutionized the design of bridges and other structures inriver engineering.
   圣文森特原理的应用已经彻底改变了河流工程中桥梁和其他结构的设计。