一、特征尺度理论 “特征尺度”是指能够体现一个系统本质特征的最短跨度。例如我们在听民族音乐的时候,时常有这样的感受,听了一段之后,就可以分辨出是哪个地域或哪个民族的音乐。这样“一段”的长度实际上就对应于“特征尺度”。要理解特征尺度这个概念,首先要理解什么是“本质”。“本质”是—事物区别于他事物的标志。拿民族音乐来说,之所以称之为“民族音乐”,是因为各民族的音乐都有它各自的本质特点,有区别于其他民族的音乐的标志。从本质上来说,这是 A feature scale theory “feature scale” refers to the shortest span that can reflect the essential characteristics of a system. For example, when we listen to folk music, we often feel that we are listening, and we can tell which region or ethnic music we listen to. The length of such a paragraph actually corresponds to the “feature scale.” To understand the concept of feature scale, we must first understand what is “essential.” “Essence” is a sign that things are different from others. To take ethnic music, the reason why it is called “ethnic music” is that the music of all ethnic groups has its own essential characteristics and distinguishes it from the music of other ethnic groups. In essence, this is