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фотоэлемент : 165 phrases in 26 subjects |
| Agriculture | 1 |
| Analytical chemistry | 4 |
| Antennas and waveguides | 8 |
| Astronautics | 2 |
| Astronomy | 9 |
| Automated equipment | 15 |
| Aviation | 1 |
| Chemistry | 3 |
| Cinema equipment | 1 |
| Electronics | 3 |
| Forestry | 1 |
| Information technology | 4 |
| Mechanic engineering | 7 |
| Metallurgy | 1 |
| Meteorology | 1 |
| Natural resourses and wildlife conservation | 1 |
| Nuclear physics | 6 |
| Optics branch of physics | 5 |
| Packaging | 2 |
| Physics | 1 |
| Radio | 35 |
| Solar power | 1 |
| Surveying | 1 |
| Technology | 47 |
| Textile industry | 2 |
| Welding | 3 |