降雨因子对水土流失量起着决定性的作用。
The rainfall factors have decisive influence on the amount of soil erosion.
采用强迫引入法，建立了优先流因子与降雨因子回归方程。
Valid regression equations were formulated between the factors of preferential flow and rainfall.
影响优先流峰值流量的主要降雨因子是降雨总量，两者为显著正相关关系。
The main factor influencing the peak of preferential flow is the amount of rainfall, which is evidently positively related to the peak of preferential flow.
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