runoff retardance coefficient

例句：

1. 1. The runoff retardance coefficient is an important factor in determining the effectiveness of a flood control system.
   径流阻滞系数是决定洪水控制系统有效性的一个重要因素。
2. 2. The design of the drainage system must take into account the runoff retardance coefficient to ensure efficient watermanagement.
   排水系统的设计和规划必须考虑径流阻滞系数，以确保水资源的有效管理。
3. 3.The runoff retardance coefficient can vary greatly depending on the type of soil and the amount of rainfall, which affects the rate at which water moves through the landscape.
   径流阻滞系数可以根据土壤类型和降雨量有很大差异，这会影响水分通过景观的速率。