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częstość : 40 phrases in 13 subjects |
| Brazil | 4 |
| Data processing | 2 |
| Electricity generation | 1 |
| Finances | 1 |
| Life sciences | 2 |
| Magnetics | 1 |
| Mathematics | 20 |
| Microsoft | 1 |
| Power system protection | 1 |
| Reliability | 4 |
| Sound recording | 1 |
| Statistics | 1 |
| Telephony | 1 |
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