分倍频程 meaning in English
fractionak octave
fractional-octave
Examples
- Electroacoustics - octave - band and fractional - octave - band filters iec 61260 : 1995 a1 : 2001 ; german version en 61260 : 1995 a1 : 2001
电声学.倍频程频带和分倍频程频带滤波器
fractionak octave
fractional-octave