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| block size | |||
| 块大小: 16 phrases in 8 subjects |
| Agriculture | 1 |
| Aviation | 1 |
| Earth sciences | 1 |
| Engineering geology | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 4 |
| Information technology | 2 |
| Technology | 5 |
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