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рентгеновский экран : 25 phrases in 9 subjects |
| Electronics | 1 |
| Geology | 1 |
| Makarov | 1 |
| Medical | 5 |
| Medical appliances | 6 |
| Metallurgy | 1 |
| Nanotechnology | 1 |
| Natural resourses and wildlife conservation | 2 |
| Nuclear physics | 7 |
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