So the point is, there is something here called operator precedence, which is what the gentleman said.

这里我要说的就是，这里有个,叫做操作优先的规则，也就是刚才那位先生说的。

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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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