总节点数等于，主量子数减1。
And our equation for total nodes is just the principle quantum number minus 1.
有多少个轨道是，含有这两个量子数的？
How many different orbitals can you have that have those two quantum Numbers in them?
当我们说到能量时，我们只要一个量子数。
When we talked about binding energy, we just had one quantum number.
这就是第二个量子数。
这就是，3个量子数。
因为第四量子数是。
我想指出的是，现在我们有了，这3个量子数。
And I just want to point out that now we have these three quantum Numbers.
我向你们保证，这是我们最后遇到的一个量子数。
And I promise, this is the last quantum number that we'll be introducing.
它就是这个结论,能量是这四个量子数的机能显示。
The same place is that energy is a function of these four quantum numbers.
要知道，我们需要三个量子数，才能完全描述一个轨道。
Remember, we need those three quantum Numbers to completely describe the orbital.
这张照片拍摄于他们发现，第四个量子数的两年后。
I think this is taken about two years after they discovered the fourth quantum number.
这张照片拍摄于他们发现，第四个量子数的两年后。
I think this is taken about two years after they discovered the fourth quantum number.
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