low-middle mountain area 中低山地区
low mountain and mound area 低山丘陵区
Low mountain and hilly area 低山丘陵地区
Water quality of bedrock fissure water in low mountain area is relatively bad in the south part of Shihezi, and it leads to high degree of mineralization of deep groundwater.
石河子南部低山区基岩裂隙水水质较差，导致该市区南部地下水深埋带水质矿化度偏高。
When the influence of actual terrain considered, there is a thickening progress of the frozen layer in the north of Xuefeng mountain area with a obviously low temperature in the cold center.
当考虑真实地形影响时， 冻结层在雪峰山脉的北面存在加厚过程， 冷中心温度明显偏低；
The western Liaoning Province is a low mountain and hills area and is the eastern extension of the famous Yanshan mountain chain.
辽宁省西部属于低山丘陵区，为著名的燕山山脉之东段。
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