数字城市和城市的可持续发展是21世纪人类城市文明的新愿境(new vision)，这个前景将极大地改变人们的生活观念、生活方式和生活质量，二者之间的相互关系影响着世界范围内社会经济发展的方向和速度。本文探讨了数字城市与城市可持续发展的基本概念，分析了二者的协调性和冲突性。本文认为，数字城市既是数字地球的重要组成部分，是新的科技革命的时代成果，也是城市实现可持续发展的内在需求。随着城市的不断发展，它们将被赋予不同的新的内涵。

Digital city and its sustainable development is the new vision on city civilization in the 21st century, which will greatly change the life conception, style and level of the people. The relationship of Digital City and sustainable development will affect the orientation and speed of worldwide economic development. The concepts and the relationship of Digital City and sustainable development are analyzed and their harmony and collision are studied in this paper. It suggests that Digital City is an important component of Digital Earth and a result of new technology revolution as well as the inherent necessity to the implementation of sustainable development. Digital City and sustainable development will be vested with new connotations with the development of the city.

TU984 F290

建设部科技攻关项目建科(2001-4-70)，重庆大学基础及应用基础研究支持项目。