 |
| |||
| частота повторения импульсов | |||
| pulse recurrence: 27 phrases in 14 subjects |
| Astronautics | 1 |
| Aviation | 2 |
| Electronics | 5 |
| General | 1 |
| Geophysics | 1 |
| Mass media | 1 |
| Medical | 1 |
| Military | 3 |
| Navigation | 2 |
| Nuclear physics | 1 |
| Physics | 1 |
| Technology | 5 |
| Telecommunications | 2 |
| Радиоактивное излучение | 1 |