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| activity network | |||
| 活动 网络: 12 phrases in 9 subjects |
| Artificial intelligence | 1 |
| Aviation | 1 |
| Computer networks | 3 |
| Electronics | 1 |
| Information technology | 1 |
| International trade | 1 |
| Name of organization | 2 |
| Oil / petroleum | 1 |
| Technology | 1 |
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