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双连通
| 空间
| 双连通 | |
| gen. | двухсвязный |
| 空间 | |
| gen. | пространство; пространственный; возможность; возможности; космос; космическое пространство |
| environ. | космос |
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| двухсвязный | |||
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双连通 : 6 phrases in 3 subjects |
| Aviation | 1 |
| General | 3 |
| Mathematics | 2 |
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