yán / jiū / rén / yuán / cóng / yí / wén / zhōng / fā / xiàn / le / yǒu / guān / zhè / duàn / lì / shǐ / de / xīn / xiàn / suǒ

研究人员从遗文中发现了有关这段历史的新线索。

Researchers found new clues about this period of history in the surviving writings.