【摘要】 论述了建设兰州市小区管网地理信息系统的必要性、重要性 ;以盐场小区为例 ,阐述了小区管网信息系统的功能、数据库框架构造、数据库详细设计等关键技术更多还原

【Abstract】 The necessity and importance of the establishment of underground pipe network information system in regions of lanzhou city are discussed in this paper. Taking Yan-chang region as an example, the paper presents a series of key techniques, e.g. the functions, the frame of the geographic data bases, and its design in detail in Yan-chang region.更多还原