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关 键项 : 27 phrases in 10 subjects |
| Artificial intelligence | 1 |
| Aviation | 8 |
| Business | 2 |
| Consulting | 1 |
| Economy | 1 |
| Electronics | 1 |
| International trade | 1 |
| Oil / petroleum | 2 |
| Space | 9 |
| Textile industry | 1 |
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