 |
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| carattere | |||
| caratteristica | |||
| карактеристика: 58 phrases in 10 subjects |
| Accumulators | 1 |
| Electric motors | 13 |
| Electrical engineering | 4 |
| Electricity generation | 3 |
| Electronics | 2 |
| Magnetics | 1 |
| Mathematics | 4 |
| Power electronics | 8 |
| Power system protection | 4 |
| Vacuum tubes | 18 |