【摘要】 通过数字地球构想给测绘工作带来历史性发展机遇 ,浅谈了加强城市测绘工作 ,以城市空间数据基础设施建设为己任 ,提出近期应当开展基于差分GPS的数据更新自动化系统和车辆导航系统。更多还原

【Abstract】 Seeing that the concept of digit earth gives historical development chances on the work of surveying and mapping,this paper expounds that we have to strengthen the work of city surveying and mapping,and regard the construction of the civic spatial date infrastructure as our duty.It puts forward that we ought to launch difference GPS so as to renew the automatic system and car guidance system.更多还原