Yán / jiū / zhě / gēn / jù / gān / zhī / jì / lù / hé / kǎo / zhèng / gǔ / dài / lì / shǐ / shì / jiàn

研究者根据干支记录和考证古代历史事件。

Researchers use the sexagenary cycle to date and verify events in ancient history.