At infinity, there's no stored potential energy, and it drops off more and more negative as one over R.

在无限远处，没有储存的势能，并且它向负方向减少，当距离超过R时。

麻省理工公开课 - 固态化学导论课程节选

It is no longer tethered to the nucleus so there is no energy stored in the system.

它已经不再受原子核的吸引,所以这个系统中没有能量储存了。

麻省理工公开课 - 固态化学导论课程节选