AGNs with composite spectra. II.
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We have compiled from the literature 88 emission-line galaxies for which the published line-ratios give indication of a "transition spectrum"; selected objects are located north...
本研究从已发表文献中汇编得到88个发射线星系（emission-line galaxies），这些天体的已发表谱线比显示出"过渡光谱"的特征；所选天体位于北天……
