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city canopy
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  城市冠层
     And based on the principle of conservation of energy and momentum of inertial sublayer and city canopy sublayer the relationship between scalar(vapor water and sensible heat) roughness and momentum roughness is established and the simplified formulae to calculate scalar(vapor water and sensible heat) roughness are obtained.
     并且根据城市冠层与其上惯性次层能量和动量守衡的原理 ,建立了热量和水汽粗糙度与动量粗糙度之间的联系 ,得到了确定热量和水汽粗糙度长度的简化关系式。
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  相似匹配句对
     City
     城市
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     CITY
     城市双响炮
短句来源
     R.C.rigid frame and cantilever girder canopy construction of the Chengdu city stadium.
     成都体育场框架和罩棚挑梁悬拼法施工
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The difference between momentum roughness and scalar (vapor water and sensible heat) roughness in form and in physical essence is discussed. The simplified formula to determine momentum roughness is given out, after the several factors of the controlling momentum roughness are analyzed. And based on the principle of conservation of energy and momentum of inertial sublayer and city canopy sublayer the relationship between scalar(vapor water and sensible heat) roughness and momentum roughness is established...

The difference between momentum roughness and scalar (vapor water and sensible heat) roughness in form and in physical essence is discussed. The simplified formula to determine momentum roughness is given out, after the several factors of the controlling momentum roughness are analyzed. And based on the principle of conservation of energy and momentum of inertial sublayer and city canopy sublayer the relationship between scalar(vapor water and sensible heat) roughness and momentum roughness is established and the simplified formulae to calculate scalar(vapor water and sensible heat) roughness are obtained. Finally, by the numerical experiment, the characteristics of variation of momentum and scalar roughness with some key parameters and dynamic relation of scalar roughness to momentum roughness are shown.

讨论了动量粗糙度长度与热量和水汽等标量粗糙度长度在形式上和物理本质上的不同 ,以及造成这些不同的原因和条件。分析了决定动量粗糙度的几种因素 ,并给出了确定动量粗糙度长度的简化关系式。并且根据城市冠层与其上惯性次层能量和动量守衡的原理 ,建立了热量和水汽粗糙度与动量粗糙度之间的联系 ,得到了确定热量和水汽粗糙度长度的简化关系式。最后 ,通过数值试验 ,表明了动量粗糙度和标量粗糙度的动态变化特征以及对一些主要参数的敏感程度 ,以及动量粗糙度与标量粗糙度的动态关系。

 
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