So in hydrogen atom a, I'll depict that here where the nucleus is this dot, and then the circle is what I'm depicting as the wave function.

在氢原子A里，我在这里把原子核画成一个点，这圆就是波函数。

麻省理工公开课 - 化学原理课程节选

But although there were now only the mandatory four fielders inside the circle, dot balls built pressure and O'Brien finally went big again, only to hole out at long-off.

BBC: Ireland advance to Super Eights

The best deals show up as a big green circle, while overpriced seats are marked with a smaller red dot.

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