It is important to study the most effective energy saving (i. e. combined time energy optimal) operation control mode.

研究它的高效节能运行模式，也就是时间—能量综合最优控制意义重大。

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This paper introduced the effective energy saving methods and energy saving foreground in recently years in our company.

本文介绍公司近年来的有效节能方法和公司节能前景。

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Heat pump, as an effective energy saving device, is qualified to be employed in saving energy and enhancing energy utilization.

热泵作为一种利用低温热源的节能装置，用于余热回收和提高能源利用率的意义变得日趋重要。

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But the report, from the Energy Saving Trust, says smart meters will be less effective without monitors.

BBC: Smart meters 'need live displays'