先天易吟三十首 其七
宋 · 方回
钟律及星历，军师兼井田。
方圆两图在，万古立鼇天。
2 lines · from chinese-poetry (MIT)The source text is in traditional characters; shown here simplified
宋 · 方回
钟律及星历，军师兼井田。
方圆两图在，万古立鼇天。
2 lines · from chinese-poetry (MIT)The source text is in traditional characters; shown here simplified