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| зрительный эффект | |||
| оптические явления | |||
| оптический эффект | |||
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optical effect : 55 phrases in 10 subjects |
| Chemistry | 1 |
| Computers | 1 |
| Makarov | 35 |
| Medical appliances | 1 |
| Military | 3 |
| Nanotechnology | 1 |
| Optics branch of physics | 3 |
| Physics | 4 |
| Radioengineering | 1 |
| Technology | 5 |