一些星系单独出现或成对出现，但它们更经常以叫做星群、星团和超级星团的较大的星协的组成部分来出现。
Some galaxies occur alone or in pairs, but they are more often parts of larger associations known as groups, clusters, and superclusters.
这些观察结果表明我们的太阳正在穿过一片本地星际云（Local Interstellar Cloud），而这片星际云正在远离天蝎座和人马座星协（Scorpius-Centaurus Association）的恒星形成区域流动。
These observations show that our Sun is moving through a Local Interstellar Cloud as this cloud flows outwards from the Scorpius-Centaurus Association star forming region.
从所有已被提出和发现的230多颗超新星遗迹和1300多颗脉冲星中，总结出一个共50对脉冲星与超新星遗迹成协候选体的样本。
We list a sample of 50 pairs of pulsar (PSR) and supernova remnant (SNR) associations which have been suggested from over 230 SNRs and 1300 PSRs.
对X射线数据的分析表明，点源与包含有中子星或黑洞(它们正从正常恒星吸走物质)的双星系统成协。
Analysis of the X-ray data shows that the point sources are associated with binary star systems that contain a neutron star or black hole that is pulling matter away from a normal star.
协鑫新能源控股有限公司2014年度最受欢迎十佳光伏电站EPC企业——“北极星杯”奖状。
GCL New Energy Holdings receives the 2014 Top Ten Most Popular Photovoltaic Power Plant EPC Enterprise——Polaris Award.
协鑫新能源控股有限公司2014年度最受欢迎十佳光伏电站EPC企业——“北极星杯”奖状。
GCL New Energy Holdings receives the 2014 Top Ten Most Popular Photovoltaic Power Plant EPC Enterprise——Polaris Award.
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