spectrumn.系列;幅度;范围;光谱;[科]频谱
spectrum colour光谱色
spectrum purity频谱纯度
spectrum series光谱线系
spectrum survey光谱巡天
spectrum classs光谱类别
spectrum sensing频谱感知
Spectrum Analyse频谱分析
spectrum measure光谱
spectrum density频谱密度
spectrum entropy谱熵