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générateur d'impulsions : 44 phrases in 12 subjects |
Aviation | 1 |
Communications | 3 |
Computers | 9 |
Earth sciences | 2 |
Electronics | 6 |
General | 1 |
Information technology | 4 |
Nuclear physics | 1 |
Technology | 1 |
Telecommunications | 2 |
Transport | 1 |
Радиоактивное излучение | 13 |