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| 曲线斜率 | |||
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curve slope : 22 phrases in 8 subjects |
| Agriculture | 1 |
| Business | 1 |
| General | 1 |
| Metallurgy | 3 |
| Refrigeration | 1 |
| Space | 2 |
| Technology | 11 |
| Wind Energy | 2 |
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