| 单词 | 双星 |
| 释义 | 双星 shuāngxīngastr. double star双星shuāngxīngdouble star双星两个有引力关系的恒星double star指牛郎和织女星Altair and Vega双星 shuāng xīng {天} double star; binary star 双星出现率 {天} binary frequency; 双星导航 two stars navigation; 双星等高测量法 double star equal altitude method; 双星期 diaster; amphiaster; dyaster; 双星绕转 rotation of binaries; 双星体 amphiaster; 双星云 {天} double nebula双星[shuāng xīng]1.两个距离很近或彼此之间有引力关系的恒星叫做双星。用肉眼或望远镜能分清是两个星的叫做视双星；用分光的方法才能分清的叫做分光双星。双星中较亮的一颗叫主星，另一颗围绕主星旋转，叫伴星。double star; two stars that are very close or that gravitate towards each other. Those that can be observed with the naked eye or a telescope are known as visual double stars, while those that can only be distinguished by their spectrum are known as spectroscopic double stars. The brighter of the double stars is called the primary star, while the other, rotating around the primary star, is the companion star. 2.指牛郎和织女两颗星 Altair and Vega双星n.couple【天】双星diaster【生】双星期，双星(体)phr.binary star【天】双星双星1. [Astronomy] binary star双星binaries; binary star双星binary star双星double star双星diaster双向☞双星系--二元系--双星双星1.天double star2. Altair and Vega (另见〖牛郎织女〗) |
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