 |
| звукопроницаемость: 15 phrases in 11 subjects |
| Acoustics | 1 |
| Aviation medicine | 1 |
| Electronics | 3 |
| Mass media | 1 |
| Medical | 1 |
| Metallurgy | 1 |
| Natural resourses and wildlife conservation | 1 |
| Navigation | 1 |
| Occupational health & safety | 1 |
| Technology | 3 |
| Telecommunications | 1 |