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persistent waves | |||
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sustained wave; type AO wave | |||
continuous wave | |||
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continuous wave transmission |
ondes entretenues : 24 phrases in 7 subjects |
Automated equipment | 2 |
Communications | 11 |
Earth sciences | 1 |
Electronics | 5 |
General | 1 |
Marketing | 2 |
Metallurgy | 2 |