... pre-main sequence 主序前 pre-nova 爆前新星 pre-solar materials 前太阳物质 ...
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Anyone wanting to study what happens before the explosion must therefore sift back through old observations, hoping that some information about the pre-nova star will have been recorded by chance.
因此，任何想要研究在爆炸之前发生了什么的人必须筛选旧的观察记录，希望找到在恒星变成新星之前能有一些偶然记录下的信息。
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