治理率 meaning in English

ratio of erosion control

We shall make a study and demonstration of common technology about sand protection and control in the capital circle and broaden the zone of technical demonstration , establish the technical system which can effectively contain the trend of the desert in the capital circle , forming a mode of massive popularization and make the control rate of the desert of beijing city able to reach 100 percent by 2008
开展首都圈防沙治沙共性技术研究与示范，扩大技术示范区域，建立可有效遏制首都圈沙化趋势的技术体系，形成可大面积推广的模式，使北京市沙化地带治理率到2008年达到100 % 。