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| coefficient of first order | |||
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一次系数 : 10 phrases in 8 subjects |
| Aviation | 1 |
| Electronics | 2 |
| Explosives and Explosive Ordnance Disposal | 2 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Project management | 1 |
| Technology | 1 |
| Telecommunications | 1 |
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