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fréquence de signal | |||
fréquence du signal |
частота сигнала : 49 phrases in 11 subjects |
Astronautics | 7 |
Automated equipment | 12 |
Aviation | 3 |
Computers | 1 |
Electronics | 1 |
Information technology | 1 |
Meteorology | 3 |
Physics | 1 |
Radio | 15 |
Technology | 3 |
Trucks/Lorries | 2 |