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相对 标准 : 18 phrases in 11 subjects |
| Agriculture | 1 |
| Chemistry | 1 |
| Drilling | 1 |
| Earth sciences | 2 |
| Electronics | 3 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Mining | 1 |
| Securities | 1 |
| Statistics | 2 |
| Technology | 4 |
| Water resources | 1 |
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