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по нормали : 38 phrases in 15 subjects |
Aerodynamics | 3 |
Artillery | 2 |
Aviation | 14 |
Cinema equipment | 1 |
Machine components | 1 |
Mathematics | 2 |
Metalworking | 1 |
Military | 1 |
Missiles | 3 |
Navy | 1 |
Optics branch of physics | 2 |
Shipbuilding | 1 |
Water supply | 2 |
Welding | 1 |
Радиоактивное излучение | 3 |