 |
| |||
| наземная система наблюдения за космическим пространством | |||
| ground-based space surveillance: 5 phrases in 3 subjects |
| Astronautics | 1 |
| Computers | 1 |
| Technology | 3 |
|
| |||
| наземная система наблюдения за космическим пространством | |||
| ground-based space surveillance: 5 phrases in 3 subjects |
| Astronautics | 1 |
| Computers | 1 |
| Technology | 3 |