Based on the potential theory, a linearity combination of the disturbance flow field generated by the uncompressible vortex part was applied in the computation of separate vortex flow.

以势流理论为基础，本文用不可压流涡段所产生的扰动流场的线性叠加，计算涡分离流动的流场。

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When near ground arises negative potential vorticity disturbance, precipitation also weaken.

当近地面出现负的位涡扰动时，降水随之也减弱。

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The upper level dry and cold air with high moist potential vorticity value was superposed to the low-level disturbance, which was advantageous to instability stratification strength and precipitation.

高空具有高湿位势涡度值的干冷空气叠加在低层扰动上，有利于不稳定层结的加强和降水发生。

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Microsoft certainly has its basket full with peace disturbance complaints and even a potential doubleshot casing dispute with Apple -- perhaps distracting it from properly integrating Zune TV show uploads with Media Center.

ENGADGET: ZuneTVWatcher beta to bridge Media Center gap