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| делать вычисления по календарю; вычислять движение небесных светил | |||
| производить астрономические наблюдения | |||
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推步 : 17 phrases in 5 subjects |
| Finances | 1 |
| General | 12 |
| Mass media | 1 |
| Mining | 1 |
| Technology | 2 |
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