 |
| |||
| кривая уровня шума | |||
|
noise curve : 6 phrases in 6 subjects |
| Acoustics | 1 |
| Aviation | 1 |
| Military | 1 |
| Natural resourses and wildlife conservation | 1 |
| Occupational health & safety | 1 |
| Telecommunications | 1 |
|
| |||
| кривая уровня шума | |||
|
noise curve : 6 phrases in 6 subjects |
| Acoustics | 1 |
| Aviation | 1 |
| Military | 1 |
| Natural resourses and wildlife conservation | 1 |
| Occupational health & safety | 1 |
| Telecommunications | 1 |