 |
| switched circuit: 178 phrases in 25 subjects |
| Astronautics | 2 |
| Automobiles | 3 |
| Aviation | 1 |
| Caspian | 1 |
| Communications | 2 |
| Computer networks | 5 |
| Computers | 4 |
| Construction | 1 |
| Electrical engineering | 10 |
| Electricity | 1 |
| Electronics | 12 |
| Energy industry | 1 |
| Energy system | 1 |
| General | 2 |
| Information technology | 4 |
| Internet | 1 |
| Makarov | 26 |
| Mass media | 14 |
| Mathematics | 1 |
| Microsoft | 1 |
| Military | 8 |
| Mobile and cellular communications | 1 |
| Technology | 47 |
| Telecommunications | 27 |
| Telephony | 2 |