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oc·ta·val AHDˈäk|tāvəl,ˈäktəv- 基本英英搭配例句 n.八音度⁴²;倍频程⁵⁸形容词octaval Noun: a feast day and the seven days following ita musical interval of eight tonesa rhythmic group of eight lines of verseoctave band level带频带声级octave band倍频带octave band filter倍频带滤波器…octave band analyzer倍带分析器,倍频程带…octave separation八音度间距octave bandwidth倍频程带宽octave-band filter倍频程滤波器…frequency octave倍频程octave coverage倍频范围octave spectrum倍频程频谱octave filter倍频程滤波器…octave analyzer倍频程分析器…octave of frequency频度阶law of octaves八行周期律
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