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| 逻辑上; 合乎逻辑地 | |||
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logically valid formula : 17 phrases in 9 subjects |
| Aviation | 1 |
| Construction | 2 |
| Economy | 2 |
| Electronics | 5 |
| Information technology | 2 |
| Mathematics | 1 |
| Space | 1 |
| Technology | 2 |
| Telecommunications | 1 |
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