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| wirtualny | |||
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virtueller : 97 phrases in 13 subjects |
| Communications | 1 |
| Computer networks | 3 |
| Computers | 2 |
| Construction | 5 |
| Economics | 3 |
| Electronics | 4 |
| General | 1 |
| Information technology | 4 |
| Mathematics | 2 |
| Microsoft | 67 |
| Power lines | 1 |
| Power system protection | 1 |
| Telegraphy | 3 |