单词：quasar
quasar的用法和样例：
例句
- The fuzzy object near top quasar image is the foreground galaxy.靠近顶部类星体形象的模糊物体就是前景星系。
- They do so by combining quasar spectra with numerical simulations of structure formation.他们的做法是将类星体光谱和结构形成的数值模拟结果结合在一起。
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