求翻译：2）设定对比组，进行实时采集：对非甩挂运输的车辆进行实时监测，记录其统计周期内的各项指标，与甩挂运输车辆的各项指标进行对比分析。是什么意思？

2) Set the comparison group, for real-time acquisition: real-time monitoring of the non-pull transport vehicles, record period of their statistical indicators were analyzed with the rejection of the indicators linked to transport vehicles.

2) Set contrast group, a real-time acquisition: the non-transport vehicles to shake for real-time monitoring, record their statistics within the life cycle of indicators, and shake to the transport vehicle for comparison and analysis of indicators.

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2) set the comparison group, real-time capture: hang on the non-rejection of transport vehicles for real-time monitoring, recording their statistical indicators within the cycle, linked with the rejection of transport vehicles of the comparative analysis of indicators.

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