求翻译：其不同之处在于，传统意义上的和声变奏基于调性，和弦的结构方式是三度叠置，更重要的是和声进行中的和弦次序基本固定；而这三部管弦乐作品并非调性音乐，织体变奏所基于的和弦是由六音集合叠置而成，其和弦次序在变奏发展的过程中并不固定，而且还常常插入新的和弦，难以用传统意义上的和声变奏与其对应。是什么意思？

Its different of Department is, traditional significance Shang of harmony variations based on adjusting sexual, chords of structure way is three of stack reset, more important of is harmony for in the of chords order basic fixed; and this three Department Orchestra works is not adjusting sexual musi

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Its similarity lies in, in the traditional significance and the sound variation based on adjust the nature, the chord structure way are three degrees superpositions, more importantly carries on with the sound the chord order basically fixed; But these three orchestral music work adjusts music by no

Its different of Department is, traditional significance Shang of harmony variations based on adjusting sexual, chords of structure way is three of stack reset, more important of is harmony for in the of chords order basic fixed; and this three Department Orchestra works is not adjusting sexual musi

Its different of Department is, traditional significance Shang of harmony variations based on adjusting sexual, chords of structure way is three of stack reset,%2