D-4 : 83 phrases in 19 subjects |
Agrochemistry | 3 |
Astronautics | 3 |
Aviation | 30 |
Biochemistry | 1 |
Biology | 1 |
Caspian | 2 |
Chemistry | 2 |
Chess | 2 |
Drilling | 1 |
Ecology | 2 |
General | 1 |
Geophysics | 22 |
Human resources | 1 |
Makarov | 3 |
Mass media | 3 |
Medical | 1 |
Molikpaq | 1 |
Nanotechnology | 3 |
Technology | 1 |