 |
| |||
| useful frequency (ssn) | |||
| используемая частота: 81 phrases in 14 subjects |
| Computer networks | 1 |
| Drives | 2 |
| Electronics | 1 |
| Information technology | 1 |
| Makarov | 2 |
| Mass media | 47 |
| Medical | 1 |
| Metrology | 3 |
| Military | 7 |
| Nautical | 2 |
| Programming | 2 |
| Rail transport | 3 |
| Technology | 7 |
| Telecommunications | 2 |