 |
| защита связи: 116 phrases in 25 subjects |
| Automated equipment | 1 |
| Communications | 1 |
| Computer networks | 2 |
| Computers | 1 |
| Economy | 1 |
| Electrical engineering | 3 |
| Electricity | 1 |
| Electronics | 3 |
| Energy industry | 3 |
| General | 3 |
| Information security and data protection | 25 |
| Intelligence and security services | 1 |
| Law | 5 |
| Makarov | 3 |
| Mass media | 10 |
| Medical | 1 |
| Military | 7 |
| Oil / petroleum | 1 |
| Optics branch of physics | 1 |
| Politics | 1 |
| Rail transport | 1 |
| Sakhalin | 1 |
| Security systems | 23 |
| Technology | 8 |
| Telecommunications | 9 |