今天，连接到主供电系统上的负载是越来越多的非线性负载。而这些负载极大地降低了转换到音频电路的功率和能量。
Today, the loads that are connected to the mains are more and more of the non linear type, which dramatically lowers the power and energy transfer to audio circuits.
今天，连接到主供电系统上的负载是越来越多的非线性负载。而这些负载极大地降低了转换到音频电路的功率和能量。
Today, the loads that are connected to the mains are more and more of the non linear type, which dramatically lowers the power and energy transfer to audio circuits.
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