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законы сохранения (Ричард Фейнман. Лекция 3.  youtube.com Oleksandr Spirin) | |||
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| закон сохранения | |||
| conservation principles: 22 phrases in 13 subjects |
| Aerodynamics | 1 |
| Astronautics | 1 |
| Astronomy | 1 |
| Automatic control | 1 |
| Construction | 1 |
| Electronics | 1 |
| General | 1 |
| Makarov | 4 |
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| Nautical | 7 |
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| United Nations | 1 |