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| 集中处理 | |||
| collection processing: 14 phrases in 8 subjects |
| Agriculture | 1 |
| Air defense | 1 |
| Aviation | 2 |
| Earth sciences | 2 |
| Electronics | 3 |
| Geophysics | 2 |
| Name of organization | 1 |
| Space | 2 |
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