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радиоизлучение |
射频发射 : 54 phrases in 14 subjects |
Antennas and waveguides | 2 |
Astronautics | 1 |
Aviation | 1 |
Electricity | 1 |
Electronics | 1 |
General | 13 |
Geology | 2 |
Medical | 2 |
Microelectronics | 1 |
Military | 5 |
Missiles | 2 |
Oil processing plants | 1 |
Technology | 21 |
Telecommunications | 1 |