 |
| |||
| delta ray density; δ-ray density | |||
| плотность δ-лучей: 16 phrases in 12 subjects |
| Astronautics | 1 |
| Astronomy | 1 |
| Astrophysics | 1 |
| Automated equipment | 1 |
| Construction | 1 |
| Makarov | 1 |
| Mass media | 3 |
| Military | 1 |
| Nuclear physics | 1 |
| Seismology | 1 |
| Technology | 2 |
| Радиоактивное излучение | 2 |