spatial data infrastructure meaning in English

空间数据基础设施

In this thesis , the design and realization of a 3d gis platform - - sei3d are introduced , which are based on the research of dalian spatial data infrastructure construction . and for the project of " 3d scene demo system of luan river drainage area " , the data acquisition , organization and i / o of large - scale 3d scene visualization are mainly studied
本文以大连市空间数据基础设施建设为背景，针对滦河中、下游流域三维场景演示系统中大规模三维场景可视化问题，重点从数据获取、组织与调度三个方面研究相关理论和方法，设计并实现了一套三维地理信息系统平台sei3d 。
As one of frame data of national spatial data infrastructure , digital elevation model excels contour line . it can express continuous gurgitation of ground , and it can also carry out relevant mathematical analyses and imitation , so it is applied broadly in various fields at present
<中文摘要> =数字高程模型dem是国家空间数据基础设施的框架数据之一，其弥补了等高线的不足，既能表示地面的连续起伏变化，又适合作相应的数学分析和模拟，现在已在各个领域得到了广泛的应用。

More: Prev