 |
| |||
| listening-and-speaking key | |||
| sampler; talking key (телефония) | |||
| talking key | |||
| answering key (в телефонии); speaking key (в телефонии); listening key | |||
| answering key; speaking key | |||
| listening and speaking key | |||
| опросный ключ: 8 phrases in 7 subjects |
| American usage, not spelling | 1 |
| British usage, not spelling | 1 |
| Communications | 1 |
| Electronics | 1 |
| Mass media | 1 |
| Telecommunications | 1 |
| Telephony | 2 |