宽频 带 : 241 phrases in 27 subjects |
Agriculture | 1 |
Air defense | 26 |
Automobiles | 2 |
Aviation | 15 |
Bridge construction | 3 |
Business | 1 |
Communications | 4 |
Computers | 1 |
Drilling | 1 |
Earth sciences | 7 |
Electric machinery | 2 |
Electronics | 21 |
Fishery fishing industry | 2 |
General | 9 |
Geophysics | 3 |
Information technology | 5 |
Mathematics | 2 |
Metallurgy | 7 |
Nautical | 1 |
Oil / petroleum | 16 |
Otorhinolaryngology | 1 |
Radio | 1 |
Remote sensing | 1 |
Shipbuilding | 29 |
Space | 17 |
Technology | 57 |
Telecommunications | 6 |