倍频程带宽滤波器 octave(bandwidth)filter: 倍频程(宽带)滤波器octave bandwidth: 倍频程带宽octave filter: 倍频程滤波器; 倍频滤波器; 信频滤波器obf octave band filter: 倍频程带滤波器octave band filter: 倍频带滤波器; 倍频带通滤器下载手机词典可随时随地查词查翻译