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| 平均标准偏差 | |||
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deviation mean standard : 13 phrases in 8 subjects |
| Aviation | 2 |
| Business | 3 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Genetics | 1 |
| Oil / petroleum | 1 |
| Rail transport | 1 |
| Statistics | 1 |
| Technology | 3 |
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