不稳定斜坡危险度的差别 9"I/jd0B
http://xueshu.baidu.com/usercenter/paper/show?paperid=a877279592f9fa99febbd1aaa5db42de&site=xueshu_se C-@@`EP
http://www.yantuchina.com/ask/answer/759.html df&d+jY
环境地质潜在不稳定斜坡调查要点 r*p<7
http://www.hbddrn.com/swdz/2014/1210/3514.html