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| 低地球轨道; 绕地球轨道; 绕地轨道 | |||
| 环地轨道; 近地轨道 | |||
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околоземная орбита : 14 phrases in 4 subjects |
| Astronautics | 2 |
| General | 2 |
| Information technology | 1 |
| Technology | 9 |
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