 |
| циркулярная передача: 45 phrases in 12 subjects |
| Communications | 9 |
| Computer networks | 1 |
| General | 1 |
| Information security and data protection | 4 |
| Information technology | 2 |
| Mass media | 10 |
| Military | 6 |
| Programming | 2 |
| Rail transport | 1 |
| Security systems | 5 |
| Technology | 3 |
| Telecommunications | 1 |