 |
| |||
| маскирующий звук | |||
| masking sound: 8 phrases in 7 subjects |
| Apollo-Soyuz | 1 |
| Construction | 2 |
| Mass media | 1 |
| Military | 1 |
| Natural resourses and wildlife conservation | 1 |
| Security systems | 1 |
| Telecommunications | 1 |
|
| |||
| маскирующий звук | |||
| masking sound: 8 phrases in 7 subjects |
| Apollo-Soyuz | 1 |
| Construction | 2 |
| Mass media | 1 |
| Military | 1 |
| Natural resourses and wildlife conservation | 1 |
| Security systems | 1 |
| Telecommunications | 1 |