271. 电视原理 Principles of Television
272. 电网调度自动化 Automation of Electric Network Management
273. 电影艺术 Art of Film Making
274. 电站微机检测控制 Computerized Measurement & Control of Power Statio
275. 电子材料与元件测试技术 Measuring Technology of Electronic Material and Element
276. 电子材料元件 Electronic Material and Element
277. 电子材料元件测量 Electronic Material and Element Measurement
278. 电子测量与实验技术 Technology of Electronic Measurement & Experiment
279. 电子测试 Electronic Testing
280. 电子测试技术 Electronic Testing Technology
