... 进气门提前关闭系统 eitv early intake-valve closing (system) 封闭物 sealing element 封闭涡线 closed vortex line; closed vortex polygon; closed-vortex line ...
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closed vortex line 封闭涡线
The heavy rainfall is dominated by a mesoscale warm shear line, having a closed relationship with a mesoscale system composed by mesoscale shear line, thunderstorm high and mesoscale vortex;
这次强降水与中尺度切变线、雷暴高压和中尺度气旋等中尺度系统关系密切，为一次中尺度暖式切变线暴雨过程；
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