The electrovalence at the period of time is to reflect costing better, and it can not only offers one way for peak shifting and valley filling but also save electric power at peak power time.

分时电价是为了更好的反映成本，并提供一种鼓励移峰填谷的手段，同时在峰荷时段还可节约电能。

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The ejection fraction (EF) and peak filling rate (PFR) were decreased and the time of peak filling rate (TPFR) was prolonged.

冠心病组射血分数、峰值充盈率减少，峰值充盈时间延长。

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