波长 计 : 72 phrases in 17 subjects |
Agriculture | 2 |
Air defense | 6 |
Aviation | 1 |
Construction | 1 |
Earth sciences | 1 |
Electronics | 8 |
General | 1 |
Geophysics | 1 |
Metrology | 1 |
Oil / petroleum | 3 |
Otorhinolaryngology | 1 |
Physics | 1 |
Shipbuilding | 1 |
Space | 1 |
Technology | 41 |
Telecommunications | 1 |
Water resources | 1 |