Tangwanghe has established a system to sponsor individual Korean Pine trees.
汤旺河建立了一个赞助单独红松的系统。
According to the analysis and assessment of the ecological environment of Tangwanghe Catchment, the ecotopes were classified.
同时还对汤旺河流域的生态环境进行了分析和评价，将整个流域划分为不同的生态区域。
On the base of the DEM, the spatial distribution of flow directions, watershed boundaries and stream networks of Tangwanghe Catchment were studied.
根据DEM数据，确定了汤旺河流域的地表水流方向、集水区的划分及水系网络空间分布特征。
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