在宋代法家和科学家沈括所著的《梦溪笔谈》第128条中有这样的一段文字,原文如下:“黄道环天正圜。圜之为体,循之则其妥至均,不均不能中规衡;绝之则有舒有数,无舒数则不能成妥。以圜法相盪而得衰,则衰无不均,以妥法相盪而得差,则差有疏数。相因以求从,相消以求负。从负相入,会一术以御日行。以言其变,则秒刻之间消长未尝同;以言其齐,则止用一衰。循环无端,终始如贯,不能议其隙。此圜法之微,古之言算者有所未知也。以日衰生日积,反生日衰。终始相求,迭为宾主。顺循之以索日变,衡别之以求去极 In the article 128 of “Meng Xi Bi Tan” by Shen Kuo and the scientist Shen Kuo, the text reads as follows: "The ecliptic is the body of the zodiac; In the balance of regulation; there is no Shu number, no Shu number can not be completed. From negative to negative, from the negative phase, will be a rule to the Royal line. In its own words, then the rise and fall of the second moment with the same taste; its Qi, then use a decline. Endless cycle, the end The beginning of consistent, can not discuss the gap .This method of micro, the ancient words of the operator is unknown to the date of birth, anti-birth date decline. Change, balance in order to go extremely