It is pointed out that the rainstorm center is under the wind shear, above which convergence center and the maximum positive vorticity exist.

指出暴雨中心位于风速切变的下方，同时上空也伴随辐合中心，以及正涡度极大值。

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The results show that typhoon rainstorm has relation to the dissymmetry of typhoon circulation fields and heat fields, but does not always close to the center of circulation.

研究结果表明，台风暴雨与台风环流场、热力场的不对称有关，并不一定总是集中在环流中心附近。

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The results show that typhoon rainstorm has relation to the dissymmetry of typhoon circulation fields and heat fields, but does not always close to the center of circulation.

研究结果表明，台风暴雨与台风环流场、热力场的不对称有关，并不一定总是集中在环流中心附近。

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