|
multiple switching : 43 phrases in 13 subjects |
| Automated equipment | 5 |
| Communications | 1 |
| Construction | 1 |
| Electrical engineering | 1 |
| Electronics | 6 |
| Information technology | 4 |
| Mass media | 2 |
| Military | 4 |
| Radioengineering | 2 |
| Rail transport | 2 |
| Technology | 6 |
| Telecommunications | 7 |
| Transport | 2 |