 |
| |||
| 中频 (СЧ) | |||
| 中频; 中心频率 | |||
| средняя частота: 26 phrases in 4 subjects |
| Business | 2 |
| Electronics | 5 |
| General | 12 |
| Technology | 7 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips