A main aim of the lunar motion theory in ancient China is to calculate the longitude of the Moon at the lunar orbit at any given time.
计算月亮的白道经度 ,是中国古代数理天文学之月亮运动理论的核心内容之一。
Objective:To establish a method for the quality standard of Yueyang Shengfa Liquid.
目的 :建立月阳生发液 (骨碎补 ,丹参 ,当归等 )质量标准。