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中等色 : 14 phrases in 10 subjects |
| Agriculture | 1 |
| Architecture | 1 |
| Ceramics | 1 |
| General | 1 |
| Genetics | 1 |
| Geology | 1 |
| Oil / petroleum | 2 |
| Plastics | 1 |
| Technology | 3 |
| Textile industry | 2 |
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