coefficient of flood recession

例句：

1. 1.The coefficient of flood recession is a critical factor in determining the effectiveness of flood control measures.
   洪水消退系数是确定防洪措施有效性的关键因素。
2. 2.The coefficient of flood recession has been found to be closely related to the severity of flood events.
   洪水消退系数被发现与洪水事件的严重程度密切相关。
3. 3. The coefficient of flood recession can be used to predict the peak flow rates during the recession phase.
   洪水消退系数可用于预测退流阶段的峰值流量。