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| enriquecimento de dados: 18 phrases in 12 subjects |
| Chemistry | 1 |
| Earth sciences | 2 |
| Economy | 1 |
| Education | 1 |
| Electronics | 2 |
| Energy industry | 1 |
| General | 2 |
| Mechanic engineering | 1 |
| Natural sciences | 2 |
| Nuclear and fusion power | 2 |
| Nuclear physics | 1 |
| Semiconductors | 2 |