 |
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| радиоактивный фон | |||
| radioactivity background: 9 phrases in 8 subjects |
| Ecology | 1 |
| Energy industry | 1 |
| Makarov | 1 |
| Military | 1 |
| Navigation | 1 |
| Nuclear physics | 1 |
| Security systems | 1 |
| Technology | 2 |
|
| |||
| радиоактивный фон | |||
| radioactivity background: 9 phrases in 8 subjects |
| Ecology | 1 |
| Energy industry | 1 |
| Makarov | 1 |
| Military | 1 |
| Navigation | 1 |
| Nuclear physics | 1 |
| Security systems | 1 |
| Technology | 2 |