mountainous terrain

difficult/rough/mountainous, etc. terrain

难以通过的地带、崎岖不平的地形、山地等

As the wind power generation system are mostly located in complex terrain, changeable weather condition in remote mountainous, far away from the grid, and the line is longer, so the voltage fluctuates relatively largely.

由于风力发电系统大多分布在地形复杂、气候条件多变的偏远地区，并网的距离较远，且线路较长，因而电压波动也较大。

Chongqing is seated in the southwest of China. Under the influence of special mountainous terrain, climate, traditional economy mode and regional culture and convention, the patio in Chongqing shows unique style and features of upland building.

重庆地处我国西南山区，在独特的用地条件、气候条件以及传统的经济发展模式、文化习俗等等的综合影响之下，重庆地区建筑的小天井也呈现出山地建筑的独特风貌。

The collision of the two continental plates gives Iran its mountainous terrain.

相撞的两个大陆板块给伊朗,其山区地形.

Shanxi mountainous terrain mostly hilly, mountainous area of the province's total area of about 80 %.

山西地形多为山地丘陵, 山区面积约占全省总面积的80%以上.

Valley glaciers are confined to valleys in mountainous terrain.

山谷冰川只限于多山地带的山谷.

Indecisive Boundaries running through mountainous terrain.

高山岩层上不明确的边界.

...rugged mountainous terrain.

崎岖不平的山地

First , compliance with the design of nature, especially the altitude weather conditions and mountainous terrain features.

设计遵从自然, 特别是高原的气候条件和山地的地形特征.

a mountainous region/terrain

多山的地区 / 地形