短語詞組短語spectrally narrow 窄譜線spectrally resolved 頻率分辨spectrally efficient 高傚頻譜spectrally negative 譜負spectrally sensitized 光譜增感spectrally pure 光譜純試劑英語spectrally arbitrary 譜任意spectrally arbitrary pattern 譜任意模式spectrally positive L évy measure 譜正Lévy測度 返回 spectrally