bruit de fond: 50 phrases in 14 subjects |
Communications | 4 |
Construction | 2 |
Earth sciences | 2 |
Electronics | 6 |
Environment | 1 |
General | 1 |
Health care | 2 |
Mathematics | 1 |
Medical | 1 |
Medical appliances | 3 |
Natural sciences | 1 |
Nuclear physics | 4 |
Pharmacy and pharmacology | 2 |
Радиоактивное излучение | 20 |