harmonic progression harmonic series (mathematics) hp
Related Translations:
调和: 1.(配合适当) be in harmonious proportion 短语和例子矛盾的调和 the harmony of contradictions; 色彩调和。 colors are in harmony. 这两种颜色配得很调和。 these two colours blend well. 这建筑物和周围环境颜色很调和。 the building tones (in