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intervallo temporale |
intervalo de tiempo : 24 phrases in 11 subjects |
Communications | 4 |
Dyalysis | 1 |
Electronics | 7 |
Information technology | 1 |
Measuring instruments | 2 |
Piezoelectric crystals | 1 |
Power lines | 1 |
Power system protection | 1 |
Sound recording | 1 |
Statistics | 3 |
Transport | 2 |