specpure (=spectroscopically pure)spectrographically purespectroscopic purespectroscopically pure光谱纯: spectroscopic pure的: 4次方是 The fourth power of 2 i ...光谱纯: spectroscopic pure◇光谱纯石英 spectrosil色谱纯的: chromatographically pure光谱纯度: spectral purity; spectrographic purity; spectroscopical purity; spectrum purity下载手机词典可随时随地查词查翻译