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flight time: 58 phrases in 17 subjects |
Analytical chemistry | 2 |
Aviation | 4 |
Communications | 1 |
Earth sciences | 3 |
General | 7 |
High energy physics | 1 |
Information technology | 2 |
Measuring instruments | 2 |
Medical | 4 |
Medical appliances | 1 |
Natural sciences | 2 |
Nuclear physics | 1 |
Paragliding | 1 |
Physical sciences | 3 |
Technology | 3 |
Transport | 20 |
Радиоактивное излучение | 1 |