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| |||
| frequency division multiplex | |||
| frequency-division multiplex (ssn) | |||
| frequency division multiplexing (ssn) | |||
| мультиплексирование с частотным разделением: 11 phrases in 6 subjects |
| High frequency electronics | 1 |
| Military | 1 |
| Mobile and cellular communications | 1 |
| Nanotechnology | 1 |
| Programming | 2 |
| Telecommunications | 5 |