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天 文 物理 : 29 phrases in 9 subjects |
| Aviation | 2 |
| Earth sciences | 7 |
| Electronics | 1 |
| Geophysics | 2 |
| Metallurgy | 1 |
| Space | 11 |
| Technology | 1 |
| United Kingdom | 3 |
| United States | 1 |
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