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sistema aperto : 34 phrases in 13 subjects |
| Agriculture | 1 |
| Animal husbandry | 2 |
| Communications | 4 |
| Earth sciences | 1 |
| Economy | 2 |
| Education | 1 |
| Electronics | 2 |
| Finances | 2 |
| General | 2 |
| Industry | 1 |
| Information technology | 14 |
| Marketing | 1 |
| Measuring instruments | 1 |
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