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frequenze portanti; frequenze vettrici | |||
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frequenza portante; frequenza vettrice |
fréquences porteuses: 48 phrases in 8 subjects |
Communications | 23 |
Earth sciences | 2 |
Electronics | 16 |
Information technology | 1 |
Power lines | 3 |
Radio | 1 |
Technology | 1 |
Transport | 1 |