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| 前沿比 | |||
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front ratio : 17 phrases in 9 subjects |
| Air defense | 3 |
| Automobiles | 1 |
| Electronics | 2 |
| Mechanics | 1 |
| Metallurgy | 2 |
| Oil / petroleum | 1 |
| Space | 1 |
| Technology | 4 |
| Telecommunications | 2 |
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