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długość fali fazowa | |||
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długość fali |
longueur d'onde: 38 phrases in 13 subjects |
Analytical chemistry | 3 |
Antennas and waveguides | 10 |
Chemistry | 1 |
Construction | 2 |
Lighting other than cinema | 2 |
Nuclear physics | 1 |
Physical sciences | 1 |
Piezoelectric crystals | 2 |
Power lines | 4 |
Radio | 3 |
Radiology | 5 |
Transport | 3 |
Vacuum tubes | 1 |