| |||
| средний уровень шума | |||
| средний уровень шумов | |||
|
noise equivalent level : 14 phrases in 8 subjects |
| Acoustics | 2 |
| Astronautics | 1 |
| Aviation | 1 |
| Ecology | 3 |
| Military | 1 |
| Occupational health & safety | 1 |
| Radioengineering | 2 |
| Technology | 3 |
| |||
| средний уровень шума | |||
| средний уровень шумов | |||
|
noise equivalent level : 14 phrases in 8 subjects |
| Acoustics | 2 |
| Astronautics | 1 |
| Aviation | 1 |
| Ecology | 3 |
| Military | 1 |
| Occupational health & safety | 1 |
| Radioengineering | 2 |
| Technology | 3 |