retardation: 103 phrases in 24 subjects |
Agriculture | 1 |
Analytical chemistry | 1 |
Astronomy | 1 |
Automobiles | 2 |
Chemistry | 1 |
Communications | 1 |
Computers | 1 |
Construction | 2 |
Economy | 1 |
Electric motors | 1 |
General | 7 |
Health care | 6 |
Industry | 3 |
Life sciences | 1 |
Measuring instruments | 1 |
Mechanic engineering | 3 |
Medical | 14 |
Microelectronics | 1 |
Natural resourses and wildlife conservation | 1 |
Optics branch of physics | 16 |
Physics | 15 |
Technology | 18 |
Transport | 3 |
Радиоактивное излучение | 2 |