Basic problems of digital city
本文讨论了数字城市的研究内容、框架、运行模式、核心技术及应用，并对中国数字城市示范提出建议。
Digital city is an important part and layer of digital earth. This paper mainly discusses the basic problems of digital city such as the content of resarch,the frame,the running pattern,the core techniques and its applications.Furthermore,this paper gives some advice on the demonstration on digital city in China.