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оптическое устройство : 55 phrases in 15 subjects |
Astronautics | 1 |
Automated equipment | 4 |
Aviation | 1 |
Computers | 6 |
Forestry | 1 |
General | 3 |
Information technology | 11 |
Mechanic engineering | 4 |
Medical | 1 |
Physics | 1 |
Polygraphy | 1 |
Radio | 7 |
Surveying | 2 |
Technology | 11 |
United Nations | 1 |