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| наружная окружность; окружность выступов (зубчатого колеса) | |||
| point circle: 11 phrases in 7 subjects |
| Astronautics | 2 |
| Astronomy | 1 |
| Makarov | 1 |
| Mathematics | 4 |
| Meteorology | 1 |
| Military | 1 |
| Physics | 1 |
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