upflow principle

例句：

1. 1.The upflow principle is crucial for maintaining the health of marine ecosystems.
   上升流原理对于维持海洋生态系统的健康至关重要。
2. 2. The upflow principle has been used to explain the movement of water in rivers and streams.
   上升流原理被用来解释河流和溪流中水流的运动。
3. 3. The upflow principle can be applied to various fields, such as hydrology and meteorology.
   上升流原理可以应用于水文学和气象学等多个领域。