植被高度、密度、覆盖度、侧影盖度等特征，通过影响下垫面空气动力学粗糙度来达到抑制风蚀的效果。
Vegetation characteristics, such as height, density, coverage, lateral coverage of vegetation are closely related to the aerodynamic roughness length.
横断山区的水土流失具有下列特征：高原面以风蚀为主。
The characteristics of water loss and soil erosion in Hengduan Mountain Region are as follows: 1. the strong eolian action on surface of the plateau;
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