 |
| free stream: 79 phrases in 15 subjects |
| Aerohydrodynamics | 19 |
| Astronautics | 11 |
| Aviation | 5 |
| Combustion gas turbines | 3 |
| Construction | 1 |
| Energy industry | 1 |
| Hydrology | 1 |
| Makarov | 7 |
| Mathematics | 2 |
| Meteorology | 5 |
| Nanotechnology | 14 |
| Nautical | 2 |
| Nuclear and fusion power | 1 |
| Technology | 5 |
| Transport | 2 |