| |||
| уровень шума | |||
| уровень шумов | |||
|
level of noise : 14 phrases in 11 subjects |
| Astronautics | 1 |
| Aviation medicine | 2 |
| Ecology | 1 |
| Mass media | 1 |
| Music | 1 |
| Natural resourses and wildlife conservation | 1 |
| Nautical | 1 |
| Radio | 3 |
| Technology | 1 |
| Telecommunications | 1 |
| Transport | 1 |