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形 天 线 : 373 phrases in 20 subjects |
Air defense | 50 |
Architecture | 1 |
Astronautics | 1 |
Automobiles | 6 |
Aviation | 10 |
Business | 1 |
Communications | 3 |
Construction | 7 |
Electronics | 23 |
General | 15 |
Information technology | 4 |
Metallurgy | 2 |
Oil / petroleum | 7 |
Radio | 1 |
Remote sensing | 1 |
Shipbuilding | 4 |
Space | 76 |
Technology | 143 |
Telecommunications | 15 |
Wind Energy | 3 |