261. 电路理论基础 Fundamental Theory of Circuit
262. 电路理论实验 Experiments in Theory of Circuct
263. 电路设计与测试技术 Circuit Designing & Measurement Technology
264. 电器学 Electrical Appliances
265. 电器与控制 Electrical Appliances & Control
266. 电气控制技术 Electrical Control Technology
267. 电视接收技术 Television Reception Technology
268. 电视节目 Television Porgrams
269. 电视节目制作 Television Porgram Designing
270. 电视新技术 New Television Technology
