Which came first, the quasar or the galaxy?
类星体和星系哪一个形成在前呢？
Quasar is short for quasi-stellar radio source.
类星体是“类似恒星射电源”的缩写。
It is particularly important to study the absorption lines of quasar.
类星体吸收线的研究具有重要意义。
This disk may be a rational model for the region of continuum radiation of quasar.
它是类星体主要辐射区域的一种合理模型。
This disk may be a rational model for the region of continuum radiation of quasar.
它是类星体主要辐射区域的一种合理模型。
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