交流电的有效值 meaning in English

r.m.s. value in alternating current

This paper expounds some difficult points in learning the alternating current of electrical engineering such as the effective value of ac , the functions of electrical inductance and capacitance on ac , the working principle of induction - motor and the transmit electricity
对电工学中有关交变电路学习的一些难点,如交流电的有效值,电感、电容对交变电流的作用,感应电动机的工作原理及输电等进行了阐述。