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| optimal | |||
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optimo : 37 phrases in 10 subjects |
| Antennas and waveguides | 2 |
| Electricity generation | 2 |
| Environment | 1 |
| Information technology | 1 |
| International Monetary Fund | 5 |
| Lighting other than cinema | 1 |
| Mathematics | 20 |
| Natural sciences | 1 |
| Radio | 1 |
| Vacuum tubes | 3 |