For low-frequency currents(up to about 15, 000 cycles per second)an iron core, called a magnetic circuit; is placed . 对于低频率电流(约15,000周秒以内),置有一个叫作磁路的铁心。
C . p . s . ; c s cycles per secon 周秒每秒钟周波数
For low - frequency currents ( up to about 15 , 000 cycles per second ) an iron core , called a magnetic circuit ; is placed 对于低频率电流(约15 , 000周秒以内) ,置有一个叫作磁路的铁心。
周: circumference; periphery; ci ...秒: two degrees eight minutes an ...赫周秒: periods per second千周秒: kilocycles per second兆周秒: m.p.s; megacycles per second周秒赫: cycles per second千赫千周秒: kilocycles per second千兆周秒: gcs; gigahertz周秒每秒周期数: period per second周面摩擦力: negative skin friction周面磨削: peripheral grinding周妙玲: zhou miaoling周面孔: foramen; foramina周民霖: minlin zhou周面: periphery周民森: minsen zhou周密思考: think over carefully