Acquisition of spatial data with high speed is a key technology of digital city engineering.
空间数据快速采集是数字城市工程的关键技术。
2
After analysis, it is concluded that GIS spatial analysis, GIS model analysis and the acquisition technique for basic data is the researching direction.
经过分析论证得出的结论是:研究GIS空间分析、模型分析和基础数据的获取技术是今后努力的方向。
3
The low altitude data acquisition technology by unmanned aerial vehicle and aeroboat played important role in urban spatial information acquisition and updating.