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| 增强控制 | |||
| enhanced control: 13 phrases in 8 subjects |
| Automobiles | 2 |
| Aviation | 3 |
| Computer networks | 1 |
| Cryptography | 1 |
| Economy | 1 |
| Electronics | 3 |
| Information technology | 1 |
| United Nations | 1 |
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