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| orthogonal frequency division multiplex (ssn) | |||
| orthogonal frequency division multiplexing (ssn) | |||
| ортогональное мультиплексирование с частотным разделением: 8 phrases in 4 subjects |
| High frequency electronics | 1 |
| Mobile and cellular communications | 1 |
| Programming | 1 |
| Telecommunications | 5 |