шлейф: 78 phrases in 20 subjects |
Agriculture | 2 |
Antennas and waveguides | 1 |
Astronautics | 2 |
Automated equipment | 5 |
Aviation | 8 |
Computers | 3 |
Education | 2 |
Electrical engineering | 1 |
Electronics | 4 |
Forestry | 1 |
General | 6 |
Geology | 16 |
High energy physics | 1 |
Metallurgy | 1 |
Nuclear physics | 1 |
Perfume | 4 |
Polygraphy | 1 |
Radio | 8 |
Spanish | 1 |
Technology | 10 |