And if the duty cycle is within a certain space range KD smaller than 1, otherwise larger than 1. At last the core loss model under the influence of the duty cycle is proposed.是什么意思_And if the duty cycle is within a certain space range KD smaller than 1, otherwise larger than 1. At last the core loss model under the influence of the duty cycle is proposed.在线翻译_英语_读音_用法_例句