random surface roughness 边界随机畸变
The change extent of surface random roughness under natural forest is smaller than the artificial forest.
天然林的地表随机糙度变化幅度小于人工林的地表随机糙度。
The results showed that soil surface random roughness, soil cohesion and aggregate stability had significant difference among land use types.
结果表明，大南沟流域内土壤随机糙度、抗剪力和团粒稳定性具有一定的空间变化规律，不同土地利用方式间有显著差异。
A numerical model for investigating the localization of surface exciton polaritons in the presence of random roughness and spatial dispersion was established.
在存在着随机粗糙和空间色散时，利用了一个数字模型研究表面激子极化激元的定域化。
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