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трёхэлектродная установка Веннера |
three array: 19 phrases in 12 subjects |
Antennas and waveguides | 1 |
Astronautics | 1 |
Electronics | 2 |
Geophysics | 3 |
Information technology | 2 |
Metallurgy | 1 |
Military | 1 |
Nanotechnology | 2 |
Oil / petroleum | 3 |
Seismology | 1 |
Technology | 1 |
Telecommunications | 1 |