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сигналов времени : 39 phrases in 17 subjects |
Antennas and waveguides | 1 |
Astronautics | 3 |
Astronomy | 5 |
Automated equipment | 1 |
Aviation | 1 |
Chemistry | 1 |
Computers | 2 |
Construction | 1 |
Electronics | 1 |
Information technology | 1 |
Medical appliances | 1 |
Oil and gas technology | 1 |
Radio | 8 |
Surveying | 4 |
Technology | 1 |
Telecommunications | 1 |
Радиоактивное излучение | 6 |