eroded hilly loess plateau 侵蚀环境
Loess Plateau hilly region 黄土丘陵区
hilly-gullied loess plateau 黄土丘陵区
hilly area of loess plateau 黄土高原丘陵区
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.
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 city of Yan'an, is located in the hilly loess plateau region, while the long and narrow watercourse makes lots of trouble in the process of city construction.
延安处于黄土高原梁峁地区，川道狭长的缺点，给不断扩大的城市建设带来了诸多不利。
Comparison of dryland potential yield increase in gully and hilly regions of Loess Plateau shows that potential yield increase in hilly region is 117.6%, and only 56.6%in gully region.
在黄土台塬区和丘陵区中，丘陵区的粮食增产潜力较台塬区大，前者尚有117.6 %增产能力，后者仅56.6%。
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