我们能够重建1900年以前的地貌数据。
We were able to reconstruct data about its landscape prior to 1900.
应用激光雷达数据生产高精度的数字地面模型，可为滨岸环境的研究提供精细的微地貌数据。
High resolution digital terrain model derived up from LiDAR point clouds can provide more details of microrelief information for tidal wetland environment researches.
对数字地貌晕渲实现的数据支撑进行了系统研究。
A systematic study on the supportive data of digital relief shading.
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