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| period | |||
| varaktighet | |||
| مدة: 49 phrases in 14 subjects |
| Antennas and waveguides | 1 |
| Electricity generation | 1 |
| Electronics | 4 |
| Environment | 1 |
| Lighting other than cinema | 4 |
| Magnetics | 1 |
| Microsoft | 13 |
| Physics | 8 |
| Power system protection | 6 |
| Radiology | 1 |
| Reliability | 4 |
| Telegraphy | 2 |
| Telephony | 2 |
| Wind Energy | 1 |