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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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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.
For example, some accretion disks in binary star systems occasionally undergo large, temporary increases in luminosity.
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.
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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