 |
| 混 频器: 133 phrases in 16 subjects |
| Air defense | 21 |
| Aviation | 6 |
| Computer networks | 1 |
| Construction | 1 |
| Electronics | 21 |
| General | 5 |
| Geology | 1 |
| Geophysics | 1 |
| Information technology | 5 |
| Oil / petroleum | 1 |
| Physical sciences | 1 |
| Shipbuilding | 5 |
| Space | 12 |
| Superconductivity | 2 |
| Technology | 47 |
| Telecommunications | 3 |