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аэроакустическое | исследование
| исследование | |
| gen. | investigation; research; exploration; examination; analysis; treatise |
| аэроакустическое: 8 phrases in 5 subjects |
| Acoustics | 1 |
| Astronautics | 2 |
| Nanotechnology | 3 |
| Natural resourses and wildlife conservation | 1 |
| Physics | 1 |