 |
| fissile materials: 28 phrases in 8 subjects |
| Earth sciences | 1 |
| Electronics | 1 |
| Energy industry | 1 |
| General | 1 |
| Nuclear and fusion power | 5 |
| Nuclear physics | 13 |
| United Nations | 5 |
| Радиоактивное излучение | 1 |
|
| fissile materials: 28 phrases in 8 subjects |
| Earth sciences | 1 |
| Electronics | 1 |
| Energy industry | 1 |
| General | 1 |
| Nuclear and fusion power | 5 |
| Nuclear physics | 13 |
| United Nations | 5 |
| Радиоактивное излучение | 1 |