通过对坡印亭矢量的散度的分析，阐明了电机气隙中径向能流和切向能流的变化和传递。
The variation and transmit of the radial and tangential energy flow in the air gap of electrical machines are illustrated by analyzing the divergence of Poynting vector.
通过对一次暴雨个例的比较研究表明，在雨带形势和暴雨中心位置的动力识别方面，改进的Q矢量分析方法比传统的单纯依靠Q矢量散度分析方法具有更好的效果。
Through a case study of a torrential rain event, potential advantages of the improved Q analyses approach can be seen in dynamic identification of both the location and the Po.
结果表明，湿q矢量散度场的分布反映了次级环流的方向和强弱，暴雨出现在中尺度环流明显增强时。
The results show that the distribution of wet % Q % -vector indicates the direction and intensity of the secondary circulation. The heavy storm rain may occur when the mesoscale circulation enhanced.
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