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| 重入系统; 重入导流; 重返系统 | |||
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re-entry system : 19 phrases in 8 subjects |
| Aviation | 1 |
| Drilling | 1 |
| Electronics | 1 |
| Missiles | 1 |
| Navigation | 3 |
| Space | 6 |
| Technology | 5 |
| United States | 1 |
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