 |
| распространение звука: 29 phrases in 17 subjects |
| Acoustics | 2 |
| Architecture | 1 |
| Astronomy | 1 |
| Aviation | 3 |
| Construction | 1 |
| Electronics | 2 |
| General | 1 |
| Geophysics | 1 |
| Hydroacoustics | 1 |
| Makarov | 1 |
| Mass media | 1 |
| Metallurgy | 2 |
| Nautical | 1 |
| Navigation | 6 |
| Occupational health & safety | 1 |
| Oceanography & oceanology | 1 |
| Technology | 3 |