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| frequência | |||
| freqüência | |||
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frekvenca : 32 phrases in 12 subjects |
| Banking | 1 |
| Brazil | 1 |
| Communications | 6 |
| Electricity generation | 1 |
| Electronics | 1 |
| Magnetics | 5 |
| Mathematics | 4 |
| Physical sciences | 1 |
| Statistics | 3 |
| Technology | 1 |
| Transformers | 1 |
| Transport | 7 |
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