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平均 数 线 : 18 phrases in 12 subjects |
| Aviation | 1 |
| Business | 1 |
| Economy | 1 |
| Electric machinery | 2 |
| Engineering geology | 1 |
| Finances | 2 |
| Mathematics | 1 |
| Metallurgy | 2 |
| Oil / petroleum | 1 |
| Securities | 1 |
| Statistics | 3 |
| Technology | 2 |
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