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ponto de referência : 39 phrases in 11 subjects |
| Communications | 8 |
| Earth sciences | 1 |
| Electronics | 3 |
| Fish farming pisciculture | 1 |
| General | 2 |
| Information technology | 1 |
| Life sciences | 6 |
| Natural sciences | 1 |
| Physical sciences | 4 |
| Statistics | 1 |
| Transport | 11 |
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