 |
| |||
| mélange m; changement de fréquence; conversion de fréquence; transformation de fréquence; transposition de fréquence | |||
| translation de fréquence | |||
| преобразование частоты: 30 phrases in 8 subjects |
| Antennas and waveguides | 1 |
| Astronautics | 2 |
| Automated equipment | 1 |
| Electrical engineering | 1 |
| Electronics | 2 |
| Measuring instruments | 1 |
| Radio | 20 |
| Technology | 2 |