 |
|
modulated wave : 56 phrases in 14 subjects |
| Acoustics | 1 |
| Electrical engineering | 1 |
| Electronics | 8 |
| Geophysics | 2 |
| High frequency electronics | 1 |
| Level measurement | 1 |
| Makarov | 12 |
| Military | 9 |
| Music | 1 |
| Nanotechnology | 1 |
| Oil / petroleum | 2 |
| Space | 1 |
| Technology | 13 |
| Telecommunications | 3 |