词汇	parametric frequency
释义	parametric frequency 参量倍频
随便看	community-based tourism community based treatment community-based village pharmacy community-based volunteer community-based work Community Base Meter community beautification community belief community billboard community biocoenose community biodiversity community biomass community borrowing community branch community branch exchange community branch exchange extension community breeding community building community-building community building cultivating social capital community building management community-buildings community-built community bus community business