tube compteur: 456 phrases in 16 subjects |
Analytical chemistry | 4 |
Chemistry | 1 |
Earth sciences | 16 |
Electronics | 26 |
Energy industry | 2 |
General | 1 |
High energy physics | 19 |
Measuring instruments | 34 |
Medical appliances | 3 |
Natural resourses and wildlife conservation | 4 |
Natural sciences | 1 |
Nuclear physics | 107 |
Radiology | 1 |
Technology | 5 |
Vacuum tubes | 5 |
Радиоактивное излучение | 227 |