1、
A binary star is a double star, consisting of two stars turning round each other.
双星是两颗星, 是由相互围绕旋转的两颗星组成.
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2、
例如, 有些双星系统里的吸积盘,偶尔会短暂地大幅增加亮度.
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3、
A binary star is a system in which two stars revolve around each other.
双子星是两颗互相围绕对方旋转的星体组成的星系.
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4、
The most convincing evidence of black holes comes from research into binary star systems.
黑洞最强有力的证据来自对双星系的研究.
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