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| 曲面: 559 phrases in 25 subjects |
| Aerodynamics | 1 |
| Architecture | 1 |
| Astronautics | 1 |
| Automated equipment | 2 |
| Aviation | 9 |
| Construction | 4 |
| Electronics | 8 |
| Gear train | 3 |
| General | 220 |
| Geology | 6 |
| Hydrobiology | 1 |
| Mathematics | 133 |
| Mechanic engineering | 2 |
| Mechanics | 1 |
| Metallurgy | 1 |
| Microelectronics | 1 |
| Military | 5 |
| Nautical | 2 |
| Oil / petroleum | 2 |
| Oil processing plants | 9 |
| Polygraphy | 1 |
| Radio | 1 |
| Seismology | 1 |
| Shipbuilding | 5 |
| Technology | 139 |
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