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orden de un sistema polifásico simétrico |
相数 : 39 phrases in 14 subjects |
Antennas and waveguides | 2 |
Automatic control | 2 |
Electric machinery | 1 |
Electric motors | 2 |
Electronics | 11 |
General | 2 |
Isolation | 3 |
Lighting other than cinema | 2 |
Magnetics | 1 |
Mathematics | 5 |
Physics | 1 |
Piezoelectric crystals | 1 |
Power electronics | 1 |
Radio | 5 |