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The fact that most objects die young has significance for the choice of collector.
大多数对象在年轻时死亡这一事实对于收集器的选择很有意义。
youdao
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The young stellar objects are all less than about 1 million years old.
早期恒星体的年龄都不到100万年。
youdao
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The young stellar objects are all less than about 1 million years old.
早期恒星体的年龄都不到100万年。
youdao