| |||
| frecuencia variable | |||
|
frequence variable : 11 phrases in 8 subjects |
| Communications | 1 |
| Electric motors | 1 |
| Electric traction | 1 |
| Electronics | 2 |
| Mechanic engineering | 1 |
| Power electronics | 1 |
| Statistics | 3 |
| Transport | 1 |
| |||
| frecuencia variable | |||
|
frequence variable : 11 phrases in 8 subjects |
| Communications | 1 |
| Electric motors | 1 |
| Electric traction | 1 |
| Electronics | 2 |
| Mechanic engineering | 1 |
| Power electronics | 1 |
| Statistics | 3 |
| Transport | 1 |