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| фактор | |||
| fattore: 96 phrases in 15 subjects |
| Accumulators | 1 |
| Cables and cable production | 1 |
| Economy | 1 |
| Electric motors | 13 |
| Electricity generation | 4 |
| Electronics | 9 |
| Isolation | 1 |
| Lighting other than cinema | 2 |
| Magnetics | 2 |
| Mathematics | 20 |
| Metrology | 2 |
| Power electronics | 12 |
| Statistics | 13 |
| Transformers | 4 |
| Vacuum tubes | 11 |