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来源:雅诚德英语网
Age estimates ranging from four billion years for Mars's southern highlands to a few hundred million years in the youngest volcanic areas were obtained in this way.
通过这种方法,科学家们获得了火星南部高地40亿年到最年轻的火山地区(几亿年)的年龄估计数。
Age estimates ranging from four billion years for Mars's southern highlands to a few hundred million years in the youngest volcanic areas were obtained in this way.
通过这种方法,科学家们获得了火星南部高地40亿年到最年轻的火山地区(几亿年)的年龄估计数。