说明：  两院院士、摄影测量与遥感著名专家李德仁作的关于地理信息网格方面的精彩讲座，愿意与大家分享，希望对此感兴趣的朋友有帮助！
(Academicians, Photogrammetry and Remote Sensing Li Deren for a well-known expert on geographic information of the exciting aspects of the grid talks, willing to share with you, I hope this of interest to help a friend!)