Building DTM model directly reflected rainwater load pressure in human active client area.

建立DTM模型，直观反映人类活动区域的雨水负荷压力；

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Among such products, especially, the first highly advanced electronic model, the Total Station DTM-1, is the root (Sold in 1985).

在这些产品，特别是，第一个高度先进的电子模型，全站仪dtm的- 1，是1985年根(已售)。

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In this paper the methods and experiments for applying the digital terrain model(DTM) to improve the classification accuracy are introduced.

本文着重介绍在遥感影象分类中应用数字地面模型（DTM）改正地物反射光谱中地形影响的方法和试验。

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