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| биологический рентген-эквивалент: 34 phrases in 17 subjects |
| Astronautics | 1 |
| Business style | 2 |
| Ecology | 3 |
| Electronics | 1 |
| Energy industry | 3 |
| General | 2 |
| Makarov | 2 |
| Medical | 4 |
| Metrology | 1 |
| Military | 2 |
| Nautical | 1 |
| Nuclear physics | 2 |
| Oil and gas | 2 |
| Physics | 1 |
| Radiology | 2 |
| Technology | 4 |
| Thermal engineering | 1 |