 |
| |||
| tone transmission | |||
| тональная передача: 21 phrases in 8 subjects |
| Communications | 1 |
| Electrical engineering | 1 |
| Household appliances | 1 |
| Mass media | 8 |
| Polygraphy | 1 |
| Programming | 1 |
| Technology | 5 |
| Telecommunications | 3 |
|
| |||
| tone transmission | |||
| тональная передача: 21 phrases in 8 subjects |
| Communications | 1 |
| Electrical engineering | 1 |
| Household appliances | 1 |
| Mass media | 8 |
| Polygraphy | 1 |
| Programming | 1 |
| Technology | 5 |
| Telecommunications | 3 |