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| investigating and dealing with | |||
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究办 : 22 phrases in 11 subjects |
| Air defense | 1 |
| Artificial intelligence | 2 |
| Aviation | 8 |
| China | 2 |
| Earth sciences | 1 |
| General | 1 |
| Name of organization | 3 |
| Oil / petroleum | 1 |
| Technology | 1 |
| United Nations | 1 |
| United States | 1 |
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