电到底是怎么产生的? How is it that electricity is produced? 尚不清楚到底在什么条件下才能使用这种方法。 It is not clear yet under what conditions it is that this method can be used XX Pt1.5 Pc when m=l. This is important because it is the maximum power that relevant amplifiers must be capable of handling without distortion电到底是怎么产生的？ How is it that electricity is produced? 尚不清楚到底在什么条件下才能使用这种方法。 It is not clear yet under what conditions it is that this method can be used. ※※ Pt=1.5 Pc when m=1. This is important because it is the maximum power that relevant amplifiers must be capable of handling without distortion