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| mean life; average life (of a radionuclide or radioactive material); transmutation period; transformation period; decay period; disintegration period; transmutation time; transformation time; decay time; disintegration time; lifetime | |||
| время превращения: 22 phrases in 4 subjects |
| Energy industry | 1 |
| Makarov | 2 |
| Technology | 7 |
| Радиоактивное излучение | 12 |