heavenly stem短语¹¹⁴⁴⁶⁷⁺⁴ 基本例句 天干 The author summaries in this article the circulating law of Christian Era and Era of Heavenly Stem and Earthly Branches. On this basis, the author introduces an exchange tool of the two eras. 本文总结了公元纪年与干支纪年之间的循环规律，并以此为基础，介绍了一种由作者制作的公元纪年与干支纪年换算的便利工具。 cnki