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| selectividade | |||
| seletividade | |||
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selectivity : 35 phrases in 11 subjects |
| Agriculture | 1 |
| Communications | 4 |
| Earth sciences | 1 |
| Electrical engineering | 1 |
| Electronics | 21 |
| Environment | 2 |
| Fish farming pisciculture | 1 |
| Information technology | 1 |
| Magnetics | 1 |
| Medical | 1 |
| Radio | 1 |