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| 外层大气探测仪器; 高空大气层研究设备 | |||
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| 高空大气层研究设备; 外层大气探测仪器 | |||
| аппаратура исследования верхних слоёв атмосферы: 5 phrases in 2 subjects |
| Astronautics | 3 |
| Technology | 2 |
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