 |
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| Nh-кривая (зависимость электронной концентрации от высоты над землёй) | |||
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N -curve : 18 phrases in 12 subjects |
| Astronautics | 1 |
| Automated equipment | 1 |
| Automobiles | 2 |
| Aviation | 3 |
| Construction | 1 |
| Energy industry | 1 |
| Makarov | 2 |
| Materials science | 1 |
| Mathematics | 2 |
| Metallurgy | 2 |
| Occupational health & safety | 1 |
| Space | 1 |