 |
| radio communications: 207 phrases in 21 subjects |
| Agriculture | 2 |
| Air defense | 11 |
| Automobiles | 2 |
| Aviation | 12 |
| Business | 3 |
| Communications | 52 |
| Computer networks | 3 |
| Electronics | 40 |
| General | 8 |
| Hydroelectric power stations | 1 |
| Information technology | 2 |
| Nautical | 2 |
| Oil / petroleum | 3 |
| Radio | 1 |
| Rail transport | 5 |
| Shipbuilding | 1 |
| Space | 18 |
| Technology | 31 |
| Telecommunications | 8 |
| United Nations | 1 |
| United States | 1 |
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