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| وسط تسجيل | |||
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diagrama : 121 phrases in 14 subjects |
| Antennas and waveguides | 17 |
| Automatic control | 6 |
| Electric motors | 2 |
| Electricity generation | 2 |
| Electronics | 3 |
| International Monetary Fund | 1 |
| Lighting other than cinema | 7 |
| Magnetics | 1 |
| Mathematics | 18 |
| Microsoft | 43 |
| Radio | 2 |
| Reliability | 2 |
| Semiconductors | 2 |
| Statistics | 15 |