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отражённые волны : 55 phrases in 19 subjects |
Aerodynamics | 1 |
Analytical chemistry | 1 |
Astronomy | 1 |
Aviation | 4 |
Chemistry | 2 |
Electronics | 1 |
Geology | 18 |
Geophysics | 2 |
Military | 5 |
Mining | 1 |
Missiles | 1 |
Natural resourses and wildlife conservation | 1 |
Nautical | 2 |
Oil / petroleum | 4 |
Quantum electronics | 2 |
Radio | 4 |
Shipbuilding | 2 |
Technology | 2 |
Water supply | 1 |