die swell ratio

例句：

1. 1. The increase in water levels is directly related to the amount of rainfall.
   水位上升与降雨量直接相关。
2. 2. The construction of a new reservoir has significantly improved the die swell ratio.
   新建水库的修建显著提高了水位上升比率。
3. 3. The study of die swell ratio is crucial for understanding the hydrological cycle.
   研究水位上升比率对于理解水文循环至关重要。