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| 星体制导系统 | |||
| 恒星制导［导航］系统; 天文制导［导航］系统 | |||
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| 卫星制导系统 | |||
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stellar guidance system : 13 phrases in 4 subjects |
| Aviation | 2 |
| Electronics | 1 |
| Space | 9 |
| Technology | 1 |
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