частота импульсов: 79 phrases in 13 subjects |
Astronautics | 8 |
Automated equipment | 13 |
Aviation | 4 |
Communications | 2 |
Computers | 3 |
Electronics | 1 |
High energy physics | 2 |
Information technology | 13 |
Meteorology | 1 |
Radio | 24 |
Radiolocation | 1 |
Surveying | 1 |
Technology | 6 |