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琴律是三分损益律和纯律的复合律制。古琴的１３个徽位正是两端固定的空弦振动的各分音节点。因此，所谓琴律实质上就是在弦线驻波上取其前六个分音和第八分音再加上三分损益的律制。假定古琴定弦为最普通的一种，即从外到内七弦分别为Ｃ、Ｄ、Ｆ、Ｇ、Ａ、ｃ、ｄ，那么，Ｃ弦的１１徽、８徽，Ｇ弦的１１徽或Ｄ弦的８徽，就可以组成纯律大音阶。萧梁朝丘明的《碣石调幽兰谱》正是这种音阶的应用。同样，Ｃ弦、Ｆ弦和Ｇ弦的１２徽，就可以构成纯律小音阶。对于纯律小音阶是否在古琴中得到应用，尚待古琴谱专家对于留存至今的大量古琴曲的考定与发现。该文还对“徽以玉石”的琴徽的早期文字记载作出考证，指出《淮南子·务训》中“参弹复徽”的“徽”确实是琴徽之意
The law of the piano is the compound law of the law of the third and the law of the pure. Guqin’s 13 emblem is fixed at both ends of the empty string vibration of each sub-pitch node. Therefore, the so-called piano law is essentially in the chord standing wave take its first six minutes and eighth plus the third penalty system. Assuming that the guqin string is the most common one, that is, the seven strings from outside to inside are C, D, F, G, A, c, d, D string of 8 emblem, you can form pure law significant scale. Xiao Liang Zhao Qiuming’s “Jieshi tune Youlan spectrum” is the application of this scale. Similarly, C-string, F-string and G-string 12 emblem, you can form a pure law small scale. For pure law small scale whether the application in the guqin, Guqin experts yet to be retained for a large number of Guqin test and discovery. The article also makes a textual research on the early written records of the emblem of “emblem of jade”, pointing out that “emblem” of “rebel emblem” in “Huainanzi · service training”