The story begins, in a sense, in classrooms around the world, where students are taught that the rate of decay of a specific radioactive material is a constant.

这个事情要从世界各地的教室里说起，在那里学生学习到特定核素的衰变速率是恒定的。

youdao

The story begins, in a sense, in classrooms around the world, where students are taught that the rate of decay of a specific radioactive material is a constant.

这个事情要从世界各地的教室里说起，在那里学生学习到特定核素的衰变速率是恒定的。

youdao