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| fréquence constante | |||
| fréquence fixe | |||
| постоянная частота: 26 phrases in 7 subjects |
| Air defense | 1 |
| Astronautics | 1 |
| Aviation | 12 |
| Electronics | 1 |
| High energy physics | 5 |
| Medical appliances | 2 |
| Radio | 4 |
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