晋西北黄土高原丘陵区是黄土高原水土流失最为严重的地区之一，生态环境极其恶劣。
The hilly Loess Plateau in North-west of Shanxi province is one of the most serious soil erosion in Loess Plateau, the ecological environment is extremely bad.
而该地区的年平均降水量较少，水分作为关键性因子严重地制约着黄土高原丘陵区植被的恢复与重建。
As a key factor, water is critical for restoration and rehabilitation of vegetation in the hill area of Loess Plateau.
固原市原州区位于黄土高原西部，属于典型的黄土丘陵区，是国家确定的生态环境建设重点区之一。
Guyuan City County located in the Loess Plateau west, typical of Loess Hills area, is the state for the construction of the ecological environment focused on one area.
固原市原州区位于黄土高原西部，属于典型的黄土丘陵区，是国家确定的生态环境建设重点区之一。
Guyuan City County located in the Loess Plateau west, typical of Loess Hills area, is the state for the construction of the ecological environment focused on one area.
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