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| 平均数,… | |||
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a mean of : 16 phrases in 9 subjects |
| Air defense | 1 |
| Desert science | 1 |
| Economy | 2 |
| Electronics | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 4 |
| Information technology | 1 |
| Space | 1 |
| Technology | 4 |
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