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分 频器 : 157 phrases in 29 subjects |
Advertising | 1 |
Agriculture | 1 |
Air defense | 14 |
Automobiles | 1 |
Aviation | 6 |
Business | 1 |
Communications | 2 |
Computer networks | 2 |
Construction | 3 |
Earth sciences | 4 |
Electronics | 26 |
Exhibitions | 1 |
General | 1 |
Geophysics | 1 |
Golf | 1 |
Hydroelectric power stations | 1 |
Information technology | 3 |
Mathematics | 1 |
Metallurgy | 4 |
Nautical | 1 |
Oil / petroleum | 7 |
Otorhinolaryngology | 3 |
Physical sciences | 1 |
Radio | 2 |
Refrigeration | 1 |
Shipbuilding | 4 |
Space | 7 |
Technology | 54 |
Telecommunications | 3 |