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| 国际通信卫星 | |||
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| 国际电信卫星 | |||
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| 国际通信卫星 | |||
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international telecommunication satellite : 8 phrases in 5 subjects |
| Earth sciences | 1 |
| General | 1 |
| Space | 1 |
| Technology | 2 |
| Telecommunications | 3 |
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