|
background signal : 15 phrases in 11 subjects |
| Astronautics | 1 |
| General | 1 |
| Makarov | 1 |
| Mathematics | 1 |
| Military | 2 |
| Nanotechnology | 1 |
| Nuclear physics | 1 |
| Quantum electronics | 1 |
| Radiation | 1 |
| Technology | 2 |
| Telecommunications | 3 |
|
background signal : 15 phrases in 11 subjects |
| Astronautics | 1 |
| General | 1 |
| Makarov | 1 |
| Mathematics | 1 |
| Military | 2 |
| Nanotechnology | 1 |
| Nuclear physics | 1 |
| Quantum electronics | 1 |
| Radiation | 1 |
| Technology | 2 |
| Telecommunications | 3 |