板胡的发展变化 ,对于板胡演奏者演奏技巧的要求也就更加严格、更加专业化 ,演奏当中的音准问题也就更加重要。在我国的传统乐器的演奏当中 ,很多使用的是从古代的三分损益法得到的五度相生律和纯律 ,与西方的十二平均律在律制和听觉上有一定的差异。我国是多民族的国家 ,在长期的社会实践当中形成了不同的文化传统、地域特点 ,因此也存在不同的律制 ,在演奏地方音乐时 ,一定要研究他们的旋律、调式、音程关系 ,找到它们不同的律制的特点 The development and changes of the plankton are also stricter and more specialized for the performing skills of the slab players, and the issue of pitch in playing is even more important. Among the performances of traditional musical instruments in our country, many use the fifth-degree relative law and pure law obtained from the ancient third-point profit-loss law and have some differences in the legal system and auditory sense with the western average law. As a multi-ethnic country, China has formed different cultural traditions and geographical features in its long-term social practice. Therefore, different legal systems exist. When playing local music, we must study their melody, mode, and range relations and find out Their different legal system features