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| 同步运行环境卫星 | |||
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operational environmental satellite : 18 phrases in 9 subjects |
| Agriculture | 1 |
| Air defense | 1 |
| Aviation | 1 |
| Earth sciences | 4 |
| Ecology | 1 |
| Electronics | 1 |
| Space | 4 |
| Technology | 3 |
| United States | 2 |
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