The different kinds of think accretion disk models, the accretion disk model for ultraviolet excess and the self-gravitating accretion disk model in QSOs axe briefly reviewed.是什么意思_The different kinds of think accretion disk models, the accretion disk model for ultraviolet excess and the self-gravitating accretion disk model in QSOs axe briefly reviewed.在线翻译_英语_读音_用法_例句