铀系不平衡定年技术是第四纪年轻年代学的重要定年手段。

Uranium series dating technique is the important means of Quaternary chronology.

youdao

铀系不平衡定年技术是第四纪年轻年代学的重要定年手段。

Uranium series dating technique is the important means of Quaternary chronology.

youdao