| |||
| обращение спектра | |||
|
spectrum reversal : 8 phrases in 5 subjects |
| Astronautics | 1 |
| Geophysics | 1 |
| Makarov | 2 |
| Technology | 3 |
| Telecommunications | 1 |
| |||
| обращение спектра | |||
|
spectrum reversal : 8 phrases in 5 subjects |
| Astronautics | 1 |
| Geophysics | 1 |
| Makarov | 2 |
| Technology | 3 |
| Telecommunications | 1 |