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| radioaktive Elemente; Radioelemente n | |||
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| radioaktives Element | |||
| Radioelement n | |||
| radioaktives Element (a chemical element, not a nuclide) | |||
| Radioelement n (a chemical element, not a nuclide) | |||
| radioactive elements: 12 phrases in 6 subjects |
| Electronics | 4 |
| General | 1 |
| Natural sciences | 1 |
| Nuclear physics | 1 |
| Physics | 1 |
| Радиоактивное излучение | 4 |