 |
| |||
| signal tracing | |||
| следование сигнала: 8 phrases in 7 subjects |
| Astronautics | 1 |
| Electronics | 2 |
| General | 1 |
| Mass media | 1 |
| Rail transport | 1 |
| Security systems | 1 |
| Technology | 1 |
|
| |||
| signal tracing | |||
| следование сигнала: 8 phrases in 7 subjects |
| Astronautics | 1 |
| Electronics | 2 |
| General | 1 |
| Mass media | 1 |
| Rail transport | 1 |
| Security systems | 1 |
| Technology | 1 |