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| acoustic vibrations | |||
| audible oscillation | |||
| колебания звуковой частоты: 16 phrases in 7 subjects |
| Aviation medicine | 1 |
| Electronics | 4 |
| Household appliances | 1 |
| Mass media | 6 |
| Natural resourses and wildlife conservation | 1 |
| Nautical | 1 |
| Technology | 2 |
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