灵宪 ( líng xiàn suàn wǎng lùn )

词语解释

  1. 灵宪,算罔论 (Língxiàn,Suànwǎnglùn)
    1. 《灵宪》,历法书。《算罔论》,算术书 LingXian, an astronomy writing, Suan Wang Lun, a mathematic writing