foldback英'fəʊldbæk美'fəʊldbækBNC¹²⁶⁴¹⁶⁺⁴ 基本例句 返送系统,监听系统 The methods for reducing standby power that will be explored in this article are: frequency foldback, skip cycle, the effect of different types of start-up circuits, and switching losses. 本文探索讨论的减小待机功率的方法有:频率折叠、周期跳空,各种启动电路的影响,以及开关损耗。 cnki