 |
| |||
| auditory transmission (информации) | |||
| speech transmission (ssn) | |||
| звуковая передача: 60 phrases in 12 subjects |
| Automobiles | 1 |
| Computer networks | 2 |
| Electronics | 2 |
| Hi-Fi | 2 |
| Hydroacoustics | 1 |
| Information technology | 1 |
| Mass media | 39 |
| Nautical | 1 |
| Radio | 1 |
| Technology | 3 |
| Telecommunications | 4 |
| Television | 3 |