英语语法分析

The precipitation process was over after the adjustment of background circulation that propitious to activity of mesoscale system.

当有利于中尺度系统活动的背景环流发生调整后，降雨过程便告结束。

Thus, there exist some relationship between the multi-eddy structure of the South China Sea circulation and mesoscale fluctuation.

因此，南海环流的多涡结构与中尺度波动之间存在着一定的联系。

The horizontal width of the condensate falling from the convective cells was much less than the width of the observed mesoscale downdraft (60 km compared to 150 km).

从对流单体降落的冷凝物的水平宽度比观测到的做尺度下沉气流的宽度小得多（前者60公里而后者150公里）。