Experimental result, such as excitation potential in Frank-Hertz experiment, can be quantitatively presented with least-squares fit instead of the average method.

通过具有教学普遍意义的“夫兰克-赫兹实验”中原子定态能级分析，指出常用的平均法或“类平均法”的局限性。

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The velocity distribution function of the electron gas is measured by using Franck-Hertz experiment instrument, and the dynamical process of collision between electron and argon atom is analyzed.

利用夫兰克-赫兹实验仪测量了电子气体的速度分布函数，并分析了电子与氩原子碰撞的动力学过程。

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