back -scattering: 126 phrases in 11 subjects |
Antennas and waveguides | 4 |
Communications | 8 |
Information technology | 1 |
Marketing | 1 |
Medical | 1 |
Nuclear physics | 8 |
Radio | 1 |
Research and development | 1 |
Technology | 7 |
Радиоактивное излучение | 25 |
Радиография | 69 |