In {HEAD ~ the present invention}, the averaged value of the output currents of these m pieces of {TAIL ~ the quasi control current output circuits} is outputted from the output terminals of n of the control current output circuit 
In { HEAD ~ the present invention } , the averaged value of the output currents of these m pieces of { TAIL ~ the quasi control current output circuits } is outputted from the output terminals of n of the control current output circuit
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