原声例句
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And the way that we'll do this is starting with talking about the discovery of the electron and the nucleus here.
在这之后,我们就可以通过,经典力学来描述一个原子。
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And then the potential energy, the energy is stored here due to the coulombic force of attraction between the electron and the nucleus.
然后说势能,位能其实就是,由电子和原子核之间的库仑引力而形成的能量。
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It was a classical model, right, so we could say the electron is exactly this far away from the nucleus.
这是个经典模型，对吧，我们说电子离,原子核就是这么远。
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