开 关 控制 : 224 phrases in 24 subjects |
Agriculture | 2 |
Air defense | 2 |
Artificial intelligence | 1 |
Automobiles | 33 |
Aviation | 18 |
Business | 2 |
Construction | 1 |
Drilling | 1 |
Electric machinery | 7 |
Electronics | 49 |
General | 2 |
Geophysics | 2 |
Hydroelectric power stations | 13 |
Information technology | 5 |
Metallurgy | 5 |
Nautical | 1 |
Oil / petroleum | 2 |
Oil processing plants | 2 |
Rail transport | 3 |
Shipbuilding | 3 |
Space | 8 |
Technology | 54 |
Telecommunications | 6 |
Wind Energy | 2 |