single watershed method

例句：

1. 1. The single watershed method is a useful tool for analyzing the impact of climate change on ecosystems.
   单一水文区方法是分析气候变化对生态系统影响的一个有用的工具。
2. 2. In this study, we applied the single watershed method to analyze the effects of pollution on the environment.
   在这项研究中，我们应用了单一水文区方法来分析污染对环境的影响。
3. 3.The single watershed method has been widely used in environmental studies to assess the impact of human activities on natural resources.
   单一水文区方法在环境研究中被广泛使用，以评估人类活动对自然资源的影响。