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| fréquence d'impulsions: 22 phrases in 9 subjects |
| Astronautics | 1 |
| Computers | 4 |
| Electronics | 1 |
| Information technology | 7 |
| Medical appliances | 1 |
| Meteorology | 1 |
| Radio | 5 |
| Radiolocation | 1 |
| Technology | 1 |
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