 |
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| 中空通信卫星 | |||
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| 中高空通信〔人造〕卫星 | |||
| 中高度通信卫星 | |||
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| 中空通信卫星 | |||
| medium altitude communications satellite: 5 phrases in 4 subjects |
| Earth sciences | 1 |
| Electronics | 1 |
| Space | 2 |
| Telecommunications | 1 |
|
| |||
| 中空通信卫星 | |||
| |||
| 中高空通信〔人造〕卫星 | |||
| 中高度通信卫星 | |||
| |||
| 中空通信卫星 | |||
| medium altitude communications satellite: 5 phrases in 4 subjects |
| Earth sciences | 1 |
| Electronics | 1 |
| Space | 2 |
| Telecommunications | 1 |