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数据与信息 : 29 phrases in 9 subjects |
| Aviation | 3 |
| Earth sciences | 4 |
| Electronics | 16 |
| Geophysics | 1 |
| Horticulture | 1 |
| Mathematics | 1 |
| Space | 1 |
| Telecommunications | 1 |
| United States | 1 |
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