我们刚刚讨论了描述质子，和电子之间相互作用力的定律，当距离变为无穷时，力变为零，那当距离变为，零时会发生什么？

So, we just talked about the force law to describe the interaction between a proton and an electron. You told me that when the distance went to infinity, the force went to zero.

youdao

好了！刚刚发生什么事了？

Ok! What just happened?

youdao

好了！刚刚发生什么事了？

Ok! What just happened?

youdao