 |
| |||
| сигнал окружения (ssn) | |||
| environment signal: 4 phrases in 4 subjects |
| Electronics | 1 |
| Military | 1 |
| Radiolocation | 1 |
| Security systems | 1 |
|
| |||
| сигнал окружения (ssn) | |||
| environment signal: 4 phrases in 4 subjects |
| Electronics | 1 |
| Military | 1 |
| Radiolocation | 1 |
| Security systems | 1 |