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| 航天工业 | |||
| 航空航天工业 | |||
| 空间工业; 航空和航天工业; 宇航工业 | |||
| Aerospace Industries: 25 phrases in 6 subjects |
| Aviation | 6 |
| Earth sciences | 1 |
| Electronics | 1 |
| General | 1 |
| Space | 13 |
| United States | 3 |
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