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| ciemny zacofany; nierozwinięty opóźniony w rozwoju; prymitywny; uwsteczniony w rozwoju dziecko; wsteczny zacofany; zacofany | |||
| odgięty | |||
| wstecz | |||
| backward: 24 phrases in 11 subjects |
| Antennas and waveguides | 1 |
| Construction | 1 |
| Information technology | 2 |
| Mathematics | 2 |
| Microsoft | 7 |
| Radio | 1 |
| Reliability | 2 |
| Semiconductors | 2 |
| Telecommunications | 4 |
| Telegraphy | 1 |
| Vacuum tubes | 1 |