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| действующая высота | |||
| эквивалентная высота | |||
| действующая высота (ионосферы) | |||
| equivalent height: 18 phrases in 6 subjects |
| Aerohydrodynamics | 1 |
| Analytical chemistry | 3 |
| Chemistry | 1 |
| Makarov | 2 |
| Oil / petroleum | 2 |
| Technology | 9 |
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