农牧交错带水土流失的危害及其成因——以内蒙古四子王旗为例
농목교착대수토류실적위해급기성인——이내몽고사자왕기위례
Study of the Soil Erosions Hazard in Agro-pastoral Zigzag Zone and Its Cause--A Case Study on Siziwangqi of Inner Mongolia