1381. 政治学 Politics
1382. 直流调整系统 Direct Current Adjustive System
1383. 直流输电 Direct Current Transmission
1384. 制冷及低温技术 Refrigeration & Cryogenic Technique
1385. 制冷系统优化与节能 Optimal Refrigeration System & Energy Saving
1386. 制冷与空调 Refrigeration & Air-Conditioning
1387. 制冷原理与设备 Refrigeration Principle & Equipment
1388. 智能化仪表基础 Basis of Artificial Intelligence Meter
1389. 智能机器 Artificial Intelligence Machinery
1390. 智能仪器设计与应用 Design & Application of Artificial Intelligence Instrument