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一个国际研究团队最近发现，一批此前被认为“又老又年轻”的红巨星实际上非常古老，年轻只是复杂演化过程导致的假象。
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National Anniversary of the People’s Republic of China
The Association of Solidarity with the Chinese in Cyprus recently organized a dinner to celebrate the 75th National Anniversary of China and the 64th...
