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rétrodiffusion : 148 phrases in 24 subjects |
Acoustics | 2 |
Analytical chemistry | 2 |
Antennas and waveguides | 3 |
Chemistry | 1 |
Communications | 5 |
Computers | 1 |
Earth sciences | 1 |
Electronics | 5 |
General | 1 |
Industry | 1 |
Information technology | 1 |
Marketing | 1 |
Materials science | 1 |
Measuring instruments | 8 |
Medical appliances | 6 |
Natural resourses and wildlife conservation | 3 |
Natural sciences | 1 |
Nuclear physics | 2 |
Radio | 1 |
Research and development | 1 |
Technology | 4 |
Дозиметрия | 3 |
Радиоактивное излучение | 58 |
Радиография | 36 |