língxiàn

靈憲

líng xiàn

ㄌㄧㄥˊ ㄒㄧㄢˋ

灵宪

释义
  1. 《灵宪》，历法书。《算罔论》，算术书。 LingXian, an astronomy writing, Suan Wang Lun, a mathematic writing;