 |
| уменьшение шума: 34 phrases in 16 subjects |
| Acoustics | 1 |
| Astronautics | 1 |
| Aviation | 5 |
| Ecology | 1 |
| General | 2 |
| Hi-Fi | 1 |
| Makarov | 3 |
| Mass media | 2 |
| Military | 4 |
| Natural resourses and wildlife conservation | 1 |
| Occupational health & safety | 1 |
| Polymers | 1 |
| Quantum electronics | 1 |
| Refrigeration | 1 |
| Technology | 6 |
| Transport | 3 |