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vitesse aérodynamique; vitesse propre | |||
vitesse relative |
относительная скорость : 15 phrases in 8 subjects |
Astronautics | 4 |
Aviation | 4 |
Electronics | 1 |
Fishery fishing industry | 2 |
Research and development | 1 |
Technology | 1 |
Textile industry | 1 |
Trucks/Lorries | 1 |