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| 紫外 像: 27 phrases in 10 subjects |
| Artificial intelligence | 1 |
| Astronautics | 1 |
| Aviation | 3 |
| Earth sciences | 1 |
| Electronics | 2 |
| General | 1 |
| Metallurgy | 1 |
| Shipbuilding | 2 |
| Space | 10 |
| Technology | 5 |
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