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| 曲线校准: 20 phrases in 9 subjects |
| Automobiles | 1 |
| Aviation | 1 |
| Chemistry | 1 |
| Construction | 1 |
| Drilling | 1 |
| Laboratory equipment | 1 |
| Metallurgy | 5 |
| Space | 3 |
| Technology | 6 |
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