 |
| |||
| переменная амплитуда | |||
| variable amplitude: 14 phrases in 11 subjects |
| Aviation | 1 |
| Electrical engineering | 1 |
| Geophysics | 2 |
| Mass media | 1 |
| Military | 1 |
| Physics | 1 |
| Quality control and standards | 1 |
| Quantum electronics | 1 |
| Technology | 3 |
| Telecommunications | 1 |
| Радиоактивное излучение | 1 |