However, with the lower load factor, engine speed is limited to the minimum speed run, part of the system for the heat is wasted, a lower utilization.

但随着负荷率的降低，发动机转速被限制在最小转速下运行，系统的一部分供热量被浪费，一次能利用率降低。

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The author cites a heat energy utilization factor which distinguish reasonable and unreasonable use in energy system.

在文章中引出热能利用系数，并通过热能利用系数值来鉴别一些不合理的利用能量系统。

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As a result, CPU can work simultaneously with the printer. Thus CPU can be fully utilized and the utilization factor of the system is heightened accordingly.

于是CPU和打印机能同时地进行工作，从而使CPU得到充分利用，整个系统的利用率也相应提高。

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