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padrão primário | |||
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indicador de referência |
基准: 38 phrases in 9 subjects |
Electric motors | 1 |
Electronics | 7 |
International Monetary Fund | 15 |
Mathematics | 2 |
Nuclear physics | 1 |
Patents | 1 |
Piezoelectric crystals | 8 |
Power system protection | 2 |
Semiconductors | 1 |