但是，如果企业能够一起分享他们的物流系统，他们就可以减少空载运输，降低燃料成本和尾气排放。

But if companies come together to share distribution systems they can reduce empty running to cut fuel costs and slash carbon emissions.

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在轻载或空载时由于存在大的功率损耗，双极性PWM控制只能被应用于中、小功率伺服控制系统。

As the existing great power consumption of empty-load or light-load, the bipolar PWM control can be applied only in small or middle power servo control systems.

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对自并励静止励磁系统发电机空载阶跃指标提出整定范围。

The setting range of no load voltage step response index for self excited shunt excitation system is put forward.

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