| |||
| маскирующий шум | |||
|
masking noise : 9 phrases in 5 subjects |
| Information security and data protection | 1 |
| Information technology | 1 |
| Security systems | 5 |
| Telecommunications | 1 |
| Television | 1 |
| |||
| маскирующий шум | |||
|
masking noise : 9 phrases in 5 subjects |
| Information security and data protection | 1 |
| Information technology | 1 |
| Security systems | 5 |
| Telecommunications | 1 |
| Television | 1 |