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промерная вертикаль |
sounding vertical : 24 phrases in 13 subjects |
Antennas and waveguides | 1 |
Astronautics | 1 |
Electronics | 1 |
Geology | 1 |
Geophysics | 3 |
Makarov | 1 |
Mass media | 3 |
Mathematics | 1 |
Navigation | 1 |
Oil / petroleum | 1 |
Oil and gas | 3 |
Physics | 2 |
Technology | 5 |