 |
| |||
| toll quality | |||
| telephone communication quality | |||
| качество телефонной связи: 6 phrases in 5 subjects |
| Electronics | 1 |
| Information security and data protection | 1 |
| Mass media | 2 |
| Security systems | 1 |
| Telecommunications | 1 |
|
| |||
| toll quality | |||
| telephone communication quality | |||
| качество телефонной связи: 6 phrases in 5 subjects |
| Electronics | 1 |
| Information security and data protection | 1 |
| Mass media | 2 |
| Security systems | 1 |
| Telecommunications | 1 |