| 单词 | binary star |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔binary〕Something that is binary, especially a binary star.两个，双：两个的东西，尤指双星美国传统〔secondary〕The dimmer star of a binary star system.双星系统中稍暗的星美国传统〔spectroscopic binary〕A binary star system that is identified by periodically shifting lines in its spectrum.周期性变换其光谱谱线的双星系美国传统〔visual binary〕A binary star that can be seen as two stars with a telescope and sometimes with the unaided eye.目视双星：可用望远镜及有时用裸眼看成二颗星的双星美国传统 |
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