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| 国家业务卫星公司 | |||
| 国家业务卫星 | |||
| 国家实用［业务应用］卫星 | |||
| English thesaurus | |||
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| NOS | |||
| national operational satellite: 12 phrases in 6 subjects |
| Air defense | 1 |
| Earth sciences | 1 |
| Electronics | 2 |
| General | 1 |
| Space | 4 |
| United States | 3 |
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