frequency spectrum
短语词组
- frequency following spectrum 频率跟随谱
- ultralow frequency dielectric spectrum 超低频介电谱
- low frequency line spectrum 低频线谱
- switching frequency spread spectrum 切换频率展频
- frequency modulation spectrum 频率调制谱
- frequency -spectrum therapeutic 频谱治疗仪
- frequency hop spectrum communication 跳频扩谱
- frequency response spectrum 频率及应谱
- frequency relaxation spectrum 频率松弛谱 返回 frequency spectrum