Urban spatial data infrastructure is the core of the basic layer of digital city.
城市空间数据基础设施是数字城市基础层的核心。
The Surveying and Mapping Industry, especially the Fundamental part, is the core of Spatial Data Infrastructure (SDI) in a city, and the latter places a foundation for the concept of "Digital City".
测绘产业，特别是基础测绘是城市空间基础设施的核心，而后者是“数字城市”的基础。
应用推荐