OK, in each case, what these things are doing, is they're doing, what sometimes gets referred to as operator overloading.

这将会是个默认的或者说是，通用的来比较对象是否相同的方法，好，在每个例子中，这些事情正在做的，就是,一些与操作符重载有关的东西。

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What I want to point out also is that this h hat, the Hamiltonian operator written out for the simplest case we can even imagine, which is a hydrogen atom where we only have one electron that we're dealing with, and of course, one nucleus.

我也想指出的是，我们能想到的最简单情况,的哈密顿算符，是一个只有一个电子,也只有一个原子核的氢原子。

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