空气动力学粗糙度的物理与实践意义 - 机械,电子文档资料 关键词:空气动力学粗糙度;分类;物理及实践意义 [gap=20634]Key words:aerodynamic roughness length ; classification ; significance
基于24个网页-相关网页
Aerodynamic roughness length is a important feature to easement soil resistance to wind erosion.
耕作土壤表面空气动力学粗糙度是评价土壤可蚀性的重要指标。
Vegetation characteristics, such as height, density, coverage, lateral coverage of vegetation are closely related to the aerodynamic roughness length.
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。
Using wind velocity profile law determinate the aerodynamic roughness length of wheats different growth periods: the average roughness of shooting period, is 6.
利用风速廓线法测定小麦不同生长期的空气动力学粗糙度：青苗期的平均粗糙度最大，为6。
应用推荐