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sondagem : 138 phrases in 24 subjects |
| Astronautics | 3 |
| Chemistry | 2 |
| Coal | 7 |
| Communications | 15 |
| Construction | 1 |
| Earth sciences | 7 |
| Economy | 1 |
| Electronics | 4 |
| Environment | 6 |
| General | 9 |
| Information technology | 3 |
| Law | 1 |
| Life sciences | 27 |
| Materials science | 1 |
| Mathematics | 6 |
| Medical | 8 |
| Microsoft | 1 |
| Natural sciences | 3 |
| Oil / petroleum | 3 |
| Patents | 2 |
| Radio | 7 |
| Statistics | 16 |
| Technology | 1 |
| Transport | 4 |
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