 |
| 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 |