There are primary and satellite power points of energy on the planet.

在这个星球上有主要的和卫星功率点的能量。

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PFC is one of the key points in the design of power supply.

功率因数校正(PFC)是电源设计中的关键内容之一。

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PFC is one of the key points in the design of power supply.

功率因数校正(PFC)是电源设计中的关键内容之一。

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