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- The mean wind speed profile, the thickness of the atmospherics surface layer, the aerodynamics roughness and the turbulence intensity were obtained. 采用数值风洞方法和RNG 双方程湍流模型，模拟了在风洞中依靠边界层的自然增长所形成的大气表面层，得到了不同粗糙元配置条件下时均风速廓线、大气表面层厚度、空气动力学粗糙度和湍流度的变化规律。
- The main research progress of the relationship between aerodynamic roughness length and vegetation characteristics is summarized and analyzed in this paper. 本文系统地总结了近年来空气动力学粗糙度与植被特征关系的研究成果;分析了各种植被特征因素与空气动力学粗糙度的关系;并对影响空气动力学粗糙度的植被因素的研究方向进行了预测.
- Roughness of the skin can be caused by bad diet. 饮食不好可能引起皮肤粗糙。
- The aerodynamic roughness and residual stubble density as well as residual stubble height have good relativity, which is the form of exponential function, however they are to the degree of preventing erosion effect not same. 空气动力学平均粗糙度与作物秸秆残茬密度和高度之间存在着很好的相关性,都近似的表现为指数函数的形式,但作物秸秆残茬密度和残茬高度对空气动力学粗糙度即防风蚀效应的影响程度却不相同。
- This rough track will soon be a metalled road. 这条坑坑洼洼的路不久就要铺上碎石了。
- The ship pitched and tossed in the rough seas. 轮船在汹涌澎湃的大海中起伏颠簸。
- This car really comes into its own on rough ground. 这辆汽车在颠簸的路上才真正显示出它独特的性能。
- The cart bumped along the rough road. 运货马车沿着崎岖不平的道路颠簸而行。
- Could you give me a rough idea when you'll be back? 你能告诉我你大概什么时候回来吗？
- It is rough on him to work at Christmas. 他很倒楣，在耶诞节还要工作。
- I've told you to stop away from those rough boys. 我已嘱咐过你离那些粗野的男孩远点儿。
- She pencilled the rough outline of a house. 她用铅笔画出房子的轮廓图。
- Rough edges must be lapped over. 毛边必须折叠起来。
- Review of Aerodynamic Roughness Length 空气动力学粗糙度的物理与实践意义
- Aerodynamic Roughness of Gravel Beds 砾石床面的空气动力学粗糙度
- Most girls do not go in for rough games. 大多数女孩子不参加粗野的游戏。
- A police car jogged along on the rough path to the village. 一辆警车在通向村庄的高低不平的小路上颠簸地行进。
- sea surface aerodynamic roughness 海面空气动力学粗糙度
- The ship made slow progress through the rough sea. 船只在汹涌的大海中缓慢前进。
- He's a tramp and used to living rough. 他是流浪汉,惯于风餐雨卧。
