coefficient de réflexion : 34 phrases in 9 subjects |
Antennas and waveguides | 1 |
Communications | 5 |
Electronics | 17 |
Energy industry | 2 |
Health care | 1 |
Industry | 2 |
Natural resourses and wildlife conservation | 1 |
Technology | 1 |
Радиоактивное излучение | 4 |