separation layer : 29 phrases in 13 subjects |
Aerodynamics | 1 |
Aerohydrodynamics | 3 |
Astronautics | 2 |
Aviation | 7 |
Electronics | 1 |
Gas processing plants | 1 |
Makarov | 4 |
Meteorology | 1 |
Nanotechnology | 2 |
Non-destructive testing | 1 |
Oil and gas | 2 |
Physics | 1 |
Polymers | 3 |