 |
| optical communication: 130 phrases in 23 subjects |
| Astronautics | 4 |
| Cables and cable production | 26 |
| Computer networks | 7 |
| Computers | 3 |
| Electronics | 6 |
| Energy industry | 1 |
| Fiber optic | 1 |
| General | 3 |
| Geophysics | 2 |
| Household appliances | 2 |
| Information technology | 5 |
| Internet | 1 |
| Makarov | 2 |
| Mass media | 2 |
| Military | 26 |
| Nanotechnology | 1 |
| Nautical | 1 |
| Oil / petroleum | 1 |
| Physics | 2 |
| Sakhalin R | 1 |
| Security systems | 1 |
| Technology | 19 |
| Telecommunications | 13 |