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exit of radiation |
выход лучей : 19 phrases in 10 subjects |
Astronautics | 2 |
Caspian | 1 |
Makarov | 1 |
Mass media | 7 |
Metallurgy | 2 |
Natural resourses and wildlife conservation | 1 |
Optics branch of physics | 1 |
Technology | 1 |
Ultrasound | 1 |
Радиоактивное излучение | 2 |