In semiconductor receivers transistors take the place of vacuum tubes.在半导体收音机中晶体管代替了真空管.We often turn to this handbook for information on transistors.我们常从这本手册查阅有关晶体管的资料.The transformer isolates the transistors with regar...
"Actually, that isn't what happened," George corrects me.“实际上，并不是那样，”乔治纠正我。An equipment that corrects the time base errors in video tape recorders.一种校正视频磁带记录器中时基误差的设备.Wang Ping: If I say something wrong, Jeff correc...