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| 业余爱好者卫星 | |||
| English thesaurus | |||
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| AMSAT | |||
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| AS | |||
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amateur satellite : 12 phrases in 7 subjects |
| Aviation | 1 |
| Electricity | 1 |
| Electronics | 1 |
| General | 1 |
| Information technology | 1 |
| Space | 6 |
| United States | 1 |
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