 |
| |||
| telephone frequency | |||
| voice frequency; speed frequency | |||
| voice-frequency | |||
| audio frequency; speech frequency | |||
|
Sprachfrequenz : 2 do fraz, 2 tematyki |
| Elektronika | 1 |
| Komunikacja | 1 |
|
| |||
| telephone frequency | |||
| voice frequency; speed frequency | |||
| voice-frequency | |||
| audio frequency; speech frequency | |||
|
Sprachfrequenz : 2 do fraz, 2 tematyki |
| Elektronika | 1 |
| Komunikacja | 1 |