|
intelligence signal : 64 phrases in 13 subjects |
| Astronautics | 5 |
| Aviation | 2 |
| Foreign affairs | 1 |
| Household appliances | 1 |
| Information security and data protection | 2 |
| Intelligence and security services | 7 |
| Mass media | 4 |
| Military | 31 |
| Quantum electronics | 1 |
| Radioengineering | 1 |
| Security systems | 1 |
| Technology | 7 |
| Telecommunications | 1 |