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无线电望远镜可以回溯看到银河系和行星形成时的结构。
The radio telescope could look back at the structures of galaxies and stars when they were firstly formed.
youdao
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无线电望远镜可以回溯看到银河系和行星形成时的结构。
The radio telescope could look back at the structures of galaxies and stars when they were firstly formed.
youdao