Both of the two function are convex curvature images, which shows that with rainfall increasing, the amounts of soil erosion resulting from per unit rainfall increases step by step.

这两种函数特征都是一曲率凹向上的图象，它表明随着降雨量的增大，单位降雨量所引起的土壤侵蚀量在逐步增大。

youdao

The raindrop kinetic energy per unit canopy rainfall is also basically not influenced by the type and intensity of rainfall outside of forest.

林冠降雨单位水体雨滴动能也基本不受林外降雨类型和强度影响。

youdao

Areal rainfall is average rainfall of the unit area within a certain region and be able to reflect the situation of rainfall in the region objectively.

面雨量是指某区域范围内单位面积的平均降雨量，能够比较客观地反映该区域内的降雨情况。

youdao