• 北京市永定河沙地土壤风蚀人工植被防风阻效益研究

    Study on soil wind erosion and vegetation efficiency of wind and prevention sand resistance artificial vegetation at sand-land in yongding river in beijing.

    youdao

  • 永定河沙地北京市面积最大风沙化土地风沙危害严重地区之一,对北京市的生态环境重要影响

    Yongding River sand land is the largest area of wind-sand land sand and is one of the most severe wind sand damage region in Beijing, Which has important influence to eco-entironment in Beijng.

    youdao

  • 永定河沙地北京市面积最大风沙化土地风沙危害严重地区之一,对北京市的生态环境重要影响

    Yongding River sand land is the largest area of wind-sand land sand and is one of the most severe wind sand damage region in Beijing, Which has important influence to eco-entironment in Beijng.

    youdao

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