spacing pulse : 30 phrases in 15 subjects |
Astronautics | 1 |
Automated equipment | 1 |
Electronics | 1 |
Geophysics | 1 |
Information technology | 1 |
Makarov | 1 |
Mass media | 2 |
Mathematics | 1 |
Military | 1 |
Nanotechnology | 5 |
Quantum electronics | 1 |
Radiation | 5 |
Radioengineering | 1 |
Technology | 6 |
Telecommunications | 2 |