Fuzzy mathematics comprehensive evaluation method is used to evaluate the geological environment suitability of rural urbanization in Qingdao City, China. A total of 5 first-level evaluation factors are selected, including environmental geological condition, geological resources, engineering...

We set up the evaluation index system of the sustainable development ability of grain production on the basis of the overall analysis of grain production trend in Sichuan Province. And then we evaluate the sustainable development ability of grain production from 1990 to 2006 in Sichuan Province...

Based on introducing the basic conditions of the ethnic regions in northwest Sichuan Province, the thesis analyzes its agricultural development status, which can be classified into two aspects ---rich natural resources and slow agricultural economic growth. Through the analysis of the...