英语翻译
Frequencyspectrumoftheharmonicsisestimatedtobef0(6n±1),whenthepowersupplyoftheheatingdeviceiscomposedofthefull-waveSCRrectificationwithf0thefundamentalfrequencyoftheFW-MGandnisapositiveinteger.这句话中withf0thefundamentalfrequencyoftheFW-MG应该怎么处理?