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fréquences porteuses en transmission à courants porteurs | |||
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fréquence porteuse |
carrier frequencies: 45 phrases in 8 subjects |
Communications | 15 |
Earth sciences | 2 |
Electronics | 18 |
General | 1 |
Information technology | 3 |
Power lines | 3 |
Statistics | 1 |
Technology | 2 |