helical-scanning : 25 phrases in 14 subjects |
Astronautics | 1 |
Aviation | 2 |
Computers | 1 |
Electronics | 1 |
Geophysics | 1 |
Information technology | 1 |
Makarov | 3 |
Mass media | 5 |
Medical | 1 |
Nanotechnology | 1 |
Nuclear and fusion power | 1 |
Technology | 4 |
Telecommunications | 1 |
Television | 2 |