spectral purityspectrographic purityspectroscopical purityspectrum purity光谱: light spectrum; optical spec ...纯度: fineness; pureness; purity; ...色光谱纯度: spectral purity of a colour交叉光谱纯度: cross-spectral purity谱纯度: spectral purity下载手机词典可随时随地查词查翻译