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| 时间系数 | |||
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time coefficient : 14 phrases in 8 subjects |
| Aerohydrodynamics | 1 |
| Business | 1 |
| Commerce | 1 |
| Electronics | 2 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Space | 1 |
| Technology | 6 |
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