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| концентрация (átv is) | |||
| концентрация | |||
| сосредоточение | |||
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koncentráció : 16 phrases in 6 subjects |
| Agriculture | 2 |
| Environment | 6 |
| General | 5 |
| Geology | 1 |
| Mathematics | 1 |
| Microsoft | 1 |
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