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增强数据 : 27 phrases in 10 subjects |
| Aviation | 8 |
| Communications | 1 |
| Computer networks | 1 |
| Earth sciences | 1 |
| Electronics | 5 |
| Information technology | 5 |
| International Monetary Fund | 2 |
| Multimedia | 2 |
| Oil / petroleum | 1 |
| Space | 1 |
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