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| поверхностная проводимость: 15 phrases in 14 subjects |
| Antennas and waveguides | 1 |
| Astronautics | 1 |
| Combustion gas turbines | 1 |
| Construction | 1 |
| Electricity | 1 |
| Electronics | 1 |
| General | 1 |
| Geophysics | 1 |
| Hi-Fi | 1 |
| Information technology | 1 |
| Makarov | 1 |
| Mass media | 1 |
| Oil and gas | 2 |
| Technology | 1 |