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| noise propagation; propagation of sound; noise transmission | |||
| noise emission | |||
| распространение шума: 20 phrases in 9 subjects |
| Architecture | 1 |
| Astronautics | 1 |
| Aviation | 8 |
| Energy industry | 1 |
| Geophysics | 2 |
| Nanotechnology | 1 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 4 |
| Telecommunications | 1 |