 |
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| распространение звука | |||
| распространение звуковых волн | |||
| волновое распространение | |||
| sound propagation: 16 phrases in 12 subjects |
| Acoustics | 1 |
| Aerohydrodynamics | 2 |
| Astronomy | 1 |
| Aviation | 2 |
| Construction | 1 |
| Electronics | 2 |
| Geophysics | 2 |
| Mathematics | 1 |
| Metallurgy | 1 |
| Nautical | 1 |
| Physics | 1 |
| Technology | 1 |