这种等效电路通常是由谐波电源和无源元件组成，这一等效电路产生的功率现象要比线性电路复杂得多。
It is usually composed of passive elements and harmonic sources which make the power phenomena in such a circuit much more complex than that in a linear circuit.
电源管理产品出现了设计周期加快、占位面积减小、低待机功耗和高能效等特点。
Power management product presents a good many characteristics, such as a short design cycle, little occupied area, low power loses and high efficiency.
2014年2月10日，美国能源部(DOE)发布了最终规则，对外置电源提出新的能效要求。
On 10. February 2014, US Department of energy (DOE) published a final rule prescribing new energy conservation standards for external power supplies.
2014年2月10日，美国能源部(DOE)发布了最终规则，对外置电源提出新的能效要求。
On 10. February 2014, US Department of energy (DOE) published a final rule prescribing new energy conservation standards for external power supplies.
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