 |
| virta: 63 phrases in 18 subjects |
| Chemistry | 1 |
| Communications | 2 |
| Earth sciences | 7 |
| Economy | 1 |
| Electric machinery | 1 |
| Electronics | 29 |
| Energy industry | 1 |
| Environment | 2 |
| Finances | 1 |
| Information technology | 4 |
| Life sciences | 1 |
| Magnetics | 1 |
| Mechanic engineering | 2 |
| Municipal planning | 2 |
| Power electronics | 1 |
| Power system protection | 4 |
| Statistics | 1 |
| Transformers | 2 |