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涡度和凯尔文法则。Vorticity and Kelvin's theorem.

气旋性环流和气旋性涡度在对流层中层的700毫巴附近最强。The strongest cyclonic circulation and vorticity are at about 700 mb.

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中尺度降水区分别与非地转风涡度极值密集区相对应。Maximum areas of ageostrophic vorticity of upper air jet correspond to mesoscale terrain.

低频气旋的作用使台风易于沿着低频气旋的正涡度带移动。Afterward, typhoons are more inclined to move along the zone of positive vorticity of the LFC.

理论分析证明，流体力学中无粘亥姆霍兹涡量方程可以实现图像修复。Based on theoretical analysis, inviscid Helmholtz vorticity equation is used to in paint image.

本文积分了球面函数展开的正压涡度方程。In this paper the barotropic vorticity equation, expanded with spherical harmonics is integrated.

湿位涡对西南涡的斜压性加大有重要的贡献。Wet potential vorticity had a great contribution to the stronger baroclinicity of the southwest vortex.

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考虑到地球的旋转，对前半节获得的涡度方程作出修正。Modified the vorticity equation obtained in the first half of the class to include the earth's rotation.

并由此去研究湿斜压过程中涡旋垂直涡度的发展。This property was then used to investigate the development of vertical vorticity in moist baroclinic processes.

整层积分的结果是次天气尺度系统向天气尺度系统提供正涡度。Full layer integrations suggest transfers of positive vorticity from subsynoptic scale systems to synoptic ones.

此外，受到流道内部速度梯度降低的影响，平均涡度值会随半角增加而下降。While the half angle increases, velocity gradient in a microdiffuser decreases and so does the average vorticity.

本文数值计算了均匀各向同性湍流内涡旋结构统计理论的一级近似解。This paper is a further development of the vorticity structure theory of homogeneous isotropic turbulence by P. Y.

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本文对“81.7”大暴雨进行了位涡与相当位涡的诊断分析。The diagnostic analysis is made of potential vorticity and equivalent potential vorticity for the "81.7" heavy rain.

切变基流、低涡和多个涡块的相互作用，可以改变下降的趋势。The interaction among the shearing basic flow, cyclonic vortex, and multiple vorticity lumps can change the tendency.

最后，指出了全型涡度方程的天气和气候应用前景。Finally, the application prospects of the complete form vorticity equation in weather and climate studies are discussed.

首先，本文建立了一个求解准地转相当正压涡度方程的LB模型。A simple LB model is present to numerically solve the quasi-geostrophic barotropic equivalent vorticity equation at first.

应用天气尺度运动，讨论梅雨期间暴雨区内的涡度平衡。Synoptic -scale variables are used to determine the vorticity budget in the heavy precipitation region during the Mei-Yu season.

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在对流层上层高原上空形成负涡源，并通过遥相关加强了伊朗高压。The negative vorticity sources over the Plateau generated by the QXP heating strengthen the Iran high at 200 hPa in a remote way.

位涡收支方程各项对高压发展、减弱有着不同的作用。The various terms in the potential vorticity equations have made very different contributions to the evolution of the anticyclone.

湿位涡斜压部分可清楚地反映湿斜压性对对流不稳定系统所起的作用。The baroclinic part of wet potential vorticity can reflect clearly the role of wet baroclinity in the convectively instable systems.