фотоэлемент: 145 phrases in 23 subjects |
Analytical chemistry | 4 |
Antennas and waveguides | 8 |
Astronautics | 2 |
Astronomy | 9 |
Automated equipment | 8 |
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 |
Packaging | 2 |
Physics | 1 |
Radio | 35 |
Solar power | 1 |
Surveying | 1 |
Technology | 46 |
Textile industry | 2 |
Welding | 3 |