论文部分内容阅读
This article investigated and surveyed the current situation of the policy of Geographic National (Urban) Conditions Monitoring in Beijing based on the experimental unit over China carried out by National Administration of Surveying,Mapping and Geoinformation.Then analysed the guarantee of the implement considering the characteristics of programming and construction,policy and regulation in Beijing.Finally presented the frame system of Geographic National(Urban) Conditions Monitoring which is appropriate for Beijing.