检索规则说明:AND代表“并且”;OR代表“或者”;NOT代表“不包含”;(注意必须大写,运算符两边需空一格)
检 索 范 例 :范例一: (K=图书馆学 OR K=情报学) AND A=范并思 范例二:J=计算机应用与软件 AND (U=C++ OR U=Basic) NOT M=Visual
机构地区:[1]山西省水利厅水保局 [2]山西省水土保持研究所
出 处:《水土保持通报》1991年第6期1-9,共9页Bulletin of Soil and Water Conservation
摘 要:本项研究从分析沿黄地区治理开发的优势和劣势入手,对多年来的治理实践进行了回顾总结,提出了今后治理开发的基本指导思想,奋斗目标、重点区域、技术战略及其配套措施。Starting from the advantages and disadvantages of the control over soil and water erosion and development of this region along the Yellow River, this paper analyses and sums up the controlling practices of soil and water erosion in recent years, on the basis of which, this paper also suggests the basic guiding thinking, objectives, top priority regions, technical strategies and complementing measures for the further control over soil and water erosion and development of this region.
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在链接到云南高校图书馆文献保障联盟下载...
云南高校图书馆联盟文献共享服务平台 版权所有©
您的IP:216.73.216.28