Two kinds of main data structures of the DTM are briefly introduced in the paper, which are irregular net of triangulation (TIN) and regular rectangular grid (grid).
文中简要介绍了DTM的两种主要的数据结构：不规则三角网(TIN)和规则矩形格网(GRID)。
Two kinds of main data structures of the DTM are briefly introduced in the paper, which are irregular net of triangulation (TIN) and regular rectangular grid (grid).
文中简要介绍了DTM的两种主要的数据结构：不规则三角网(TIN)和规则矩形格网(GRID)。
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