harmonic progression

1. A Brief Proof for Convergence and Divergence of Harmonic progression and P progression
   调和级数与P级数敛散性的简单证法
2. The key to divine harmonic proportion ( sacred geometry) is the relationship between progression of growth and proportion.
   神的调和比例（的几何学）键是生长级数和比例间的联系。
3. What he pursued the originality constantly, in melody, harmonic progression and texture on the body all to have the new music language, was the bridge for the development of atonality music.
   他努力地追求独创性，在旋律、和声、织体上都有新的音乐语言，给无调性音乐的产生发展起了桥梁作用。
4. A property of harmonic progression
   关于调和级数的一个性质

noun

1. (mathematics) a progression of terms whose reciprocals form an arithmetic progression