英语翻译

问题描述:

英语翻译
Frequency spectrum of the harmonics is estimated to be f0 (6n±1),when the power supply of the heating device is composed of the full-wave SCR rectification with f0 the fundamental frequency of the FW-MG and n is a positive integer.这句话中with f0 the fundamental frequency of the FW-MG应该怎么处理?

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