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liquid rocket : 178 phrases in 19 subjects |
| Aerohydrodynamics | 1 |
| Air defense | 5 |
| Artillery | 7 |
| Astronautics | 54 |
| Astronomy | 4 |
| Aviation | 5 |
| Chemistry | 1 |
| Makarov | 2 |
| Military | 28 |
| Missiles | 3 |
| Nanotechnology | 1 |
| Nautical | 2 |
| Physics | 1 |
| Politics | 2 |
| Soviet | 3 |
| Space | 35 |
| Technology | 22 |
| Thermal engineering | 1 |
| Transport | 1 |