Visualization in city 3d scene is core technique of CyberCity.
城市景观三维可视化技术是数字城市的核心技术之一。
2
The Geographical Information System (GIS) is facing increasingly application requirement, with the mention of the new terms like CyberSpace and CyberCity.
随着“数字地球”、“数字城市”等概念的提出，地理信息系统的应用需求正逐日增长。
3
CyberCity often involves the modeling of Wide-field complex ground object of nature and humanity, especially difficulty in building the three-dimensional model which cover the whole city.