如晶体管电路，可在输入端参加一个节制旌旗灯号来节制移相巨细；

Such as the transistor circuit can be input by adding a control signal to control the phase-shift size;

youdao

如晶体管电路，可在输入端参加一个节制旌旗灯号来节制移相巨细；

Such as the transistor circuit can be input by adding a control signal to control the phase-shift size;

youdao