| |||
modification de la fréquence | |||
variation de fréquence | |||
changement de fréquence |
изменение частоты : 29 phrases in 10 subjects |
Astronautics | 2 |
Automated equipment | 4 |
Aviation | 5 |
Computers | 2 |
Electronics | 4 |
Information technology | 1 |
Mechanic engineering | 1 |
Medical | 3 |
Medical appliances | 1 |
Radio | 6 |