本文主要以钢琴调律中十二平均律分律(上行四度下行五度分律法)整个过程,依据十二平均律原理、检验方法的应用和十二平均律音准稳定性的要求,进行系统的归纳和总结,结合笔者自身的调律经验,提出自己的观点和看法,使更多人了解检验音程对十二平均律分律精度的重要性和稳定十二平均律音准的方法。 In this paper, we mainly use the law of twelve average law of piano tuning (the fourth law of the fifth degree of descent in the upper part of the line), and according to the principle of the twelve mean law, the application of the test method and the quasi-stability of the twelve- Based on the author’s own experience of regulation and regulation, I put forward my own views and opinions so that more people can understand the importance of the test range to the accuracy of the 12th average law of law and the method of stabilizing the average law of the 12th law.