英语语法分析

Rainfall erosivity is necessary to develop the soil erosion model.

降雨侵蚀力是建立土壤侵蚀预报模型的基础。

Rainfall erosivity is a potential capacity of soil erosion by rainfall.

降雨侵蚀力是降雨引起土壤侵蚀的潜在能力。

Rainfall erosivity, the key factor of soil loss model, was specially studied.

对侵蚀模型中的关键因子——降雨侵蚀力因子进行了重点研究。