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| relay; retranslator satellite | |||
| relay satellite | |||
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中继卫星 : 84 phrases in 9 subjects |
| Air defense | 1 |
| Aviation | 12 |
| Cartography | 1 |
| Earth sciences | 5 |
| Electronics | 7 |
| Information technology | 1 |
| Space | 51 |
| Technology | 2 |
| United States | 4 |
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