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《#高麗史52卷-志6-歷3》[View] [Edit] [History]
1 | 求木火土三星定見伏定積日。 |
2 | ○各置其星定見定伏泛積日及分秒晨加夕 九十一日三十一分六秒如在半歲周已下自相乘已上反 歲周餘亦自相乘滿七十五除之為分滿百為度不滿退除為分秒以其星見伏度乘之一十五除之所得以其* 段行差除之為日不滿退除為分秒見加伏*( ) 泛積為其星定見伏定積日及分秒加命如前卽得定見定伏日辰及分秒。 |
URN: ctp:ws903191
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