mountain topography meaning in English

山地地形
山岳地形

The disturbing wave analyses and seismic data processing for mountain topography in yingxiongling area , qaidam basin
英雄岭山地地震干扰波分析与处理
The complicated mountain topography and disturbed degradation ecosystem cause the landscape characteristics of high patch size coefficient of variance , anomalistic patch shape and high fragmentation degree . the moderate erosive intensity and area are both the greatest , which mostly distributed in the degraded landscape affected by human unreasonable activities
巫溪县复杂的山地地势及受干扰的退化系统，形成了其斑块面积变异性大、形状不规则、破碎化程度高的景观特点，中度侵蚀是侵蚀强度与面积均大的侵蚀类型，且主要分布在受人类不合理开垦、滥砍滥伐活动的退化景观上。