摘要
叙述了数字地球的由来、概念和作用 .从现代测绘学的发展 。
The origin,conception and function of digital earth is narrated.In the view of the development of modern surveying and mapping, the function and the status of surveying and mapping in constructing digital earth is explained too.
出处
《华中科技大学学报（城市科学版）》
CAS
2002年第1期4-6,共3页
Journal of Huazhong University of Science and Technology
关键词
数字地球
国家空间数据基础设施
3S技术
测绘学
digital earth
national spatial data infrastructure
3S technique
surveying & mapping
