Hilly loess region 黄土丘陵区
hilly loess area 黄土丘陵区
Hilly Loess Plateau 黄土丘陵区
loess hilly area 黄土丘陵区
loess hilly areas 黄土沟壑区
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。
Is located in loess hilly region, serious soil erosion.
地处黄土丘陵区，水土流失严重。
In loess hilly gully region covered by sheet sand, soil water erosion process is different from typical loess hilly gully region because of worse natural environment and loose land surface material.
在片沙覆盖的黄土丘陵区，由于恶劣的自然环境及松散的地表组成物质，土壤的水蚀过程明显地不同于典型的黄土丘陵区。
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