集 电极 : 206 phrases in 21 subjects |
Agriculture | 1 |
Air defense | 7 |
Automobiles | 3 |
Aviation | 2 |
Business | 1 |
Construction | 2 |
Earth sciences | 1 |
Electric machinery | 1 |
Electronics | 76 |
General | 7 |
Geophysics | 1 |
Information technology | 8 |
Metallurgy | 9 |
Oil / petroleum | 10 |
Radio | 1 |
Semiconductors | 3 |
Shipbuilding | 7 |
Space | 5 |
Technology | 55 |
Telecommunications | 5 |
Wind Energy | 1 |