查询词典 streamlines
- 与 streamlines 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The number and distribution of the singular points of streamlines in the cross section of steady flow through a curved tube are discussed by using the method of topological structure analysis.
利用拓扑结构分析方法,分析了弯曲圆管内定常流在横截面上流线的奇点个数及分布规律,给出了二次流的漩涡数目由 2个变为 4个,流态结构发生分叉现象的理论判据·进而,利用Galerkin方法,得到了弯曲圆管内定常流的流函数和轴向速度的半解析表达式,给出了流态结构发生分叉现象的临界Dean数,所得结果与理论判则一
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It is shown from this thesis that flow fields on synoptic maps can be decomposed into rotation and deformation fields. Geostrophic non-frictional cyclone and anticyclone vortex patterns are closed circulations around the center point, streamlines of frictional cyclone and anticyclone patterns have spiral forms around the focus point. Saddle fields have four vortex centers (two cyclones and two anticyclones) and a saddle point. Blocking high pressure and cut-off low pressure patterns consist of a vortex center and a saddle point.
本文说明了天气图上的流场可以分解为旋转场和变形场:地转无摩擦的气旋、反气旋的涡旋型式是围绕中心点的闭合环流;考虑摩擦的气旋、反气旋的流型是围绕焦点的螺旋型式;鞍型场有4个涡旋中心点(2个气旋和2个反气旋)与1个鞍点;阻塞高压和切断低压由1个涡旋中心点与1个鞍点组成。
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The streamlines of the fluid through a spool valve starting from the stationary state and the steady flow are shown respectively.
分别在静止流体和稳定流体的条件下,给出了压力差为阶跃变化时液流通过液压阀的流线图。
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Casethat begin transformation but do not become embedded in the baroclinic zone fail to complrte transformation and simply dissipate over lower sea surface temperatures.1at transformation stage,there are two features in 500mb analysis aKOPPU s surface center is located beneath concentric,closed 500mb contours and is equatorward of 5820-m contour associated with a short-wave trough to the northwest of strom bthe closed contours associated with KOPPU 24h earlier have combined with approaching 500mb trough so that KOPPU appear to be in an open wave.furthermore,streamlines associated with this short wave trough have wrapped around the circulation of KOPPU,which indicated that KOPPU has become embedded in 500mb westerlies.
台风变性分为两个阶段:变性阶段和再加强阶段;变性的开始和结束以热带气旋环流和先前存在的中纬度斜压带相互作用为基础,KOPPU嵌入先前存在的中纬度斜压带且风暴中心在冷下沉气流中,而KETSANA没有嵌入先前存在的中纬度斜压带则没完成变性只是消散在低的海平面温度(1)台风变性阶段在500hPa高度场分析中有两个重要特征:a首先风暴中心是闭合的等值线并和风暴中心西北的短波槽相关;随后闭合等值线靠近500hPa槽,因此风暴闭合中心消失,风暴位于开波中。b而且和短波槽相关流线缠绕在风暴中心,结果风暴在西风带中。
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In chapter 2, we focus on derivation of the tortuosity models for flow of Newtonian incompressible fluid in two- and three-dimensional porous media with spherical, cubic and plate-like particles by applying the geometrical method. We first present the ideal geometrical models of porous media to show the ideal and representative streamlines based on the assumption that some particles in porous media are unrestrictedly overlapped and hence of different configurations, then the average tortuosity is derived by geometrically and weightedly averaging these representative flow paths.
第二部分采用几何分析法研究了二维和三维情况下的球形颗粒、立方体颗粒和板状颗粒多孔介质中流体流线的迂曲度,首先给出多孔介质的理想几何模型,通过分别考虑固体颗粒重叠时、不重叠时以及粒子的不同排列等情形时的流体流线,然后对这些理想代表性流线的迂曲度取几何平均和加权平均,最后推导出流体流过多孔介质的迂曲度解析表达式。
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We hope that it will reduce the cost after installing new automatized assemble streamlines.
我们希望在安装了新的自动化装配流水线之后,能降低成本。
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There are natural streamlines in our lives.
在我们的生命中,有大自然之精简,使效率更高。
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It is proved that streamlines of liquid are equal to traces of principal stress of solid.
它基于弹性固体与粘性流体之间存在的对应性原理。
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Da Vinci was the best choice for our business because it streamlines the flow of information.
Da Vinci对于我们来说是非常理想的选择,因为其信息传递都是流线型的。
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From the results, the streamlines from the mass conservative function is better than from the traditional method.
从实验结果来看,基于质量守恒插值函数所构造的流线的结果相比传统的方法效果要好得多。
- 推荐网络例句
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On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.
另一方面,更重要的是由于城市住房是一种异质性产品。
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Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.
气候直方图是将所收集的降水量测定值,分为几个相等的区间作为横轴,并将各区间内所测定值依所出现的次数累积而成的面积,用柱子排起来的图形,也叫做柱状图。
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You rap, you know we are not so good at rapping, huh?
你唱吧,你也知道我们并不那么擅长说唱,对吧?