the ecliptic plane

This paper reconstructs the algorithm for calculating the longitude of the sun in the Song and Yuan periods and the method designed for calculating the lunar equation of centre in the Sui and Tang dynasties.

以宋元时期的太阳黄道日度算法和隋唐时期的月亮中心差算法为例,通过探讨这两种为了“以究算理之微”而特别设计的精细算法的天文意义与造术原理,可以看到传统历法家为了追求“算理”而付出的令人惊异的努力。

Huang Daopo and the Propagation of Cotton in Songhu District;

黄道婆与淞沪棉花传播考略

A Re-interpretation of Innovativeness of Xu Wei and Huang Daozhou s Calligraphy;

对徐渭和黄道周书法创新的重新阐释