How many nodes match the selector?
多少节点匹配选择器？
And how many nodes do you see in the 3 s orbital?
那3s轨道有多少个节点呢？
However, in many cases you will want to modify just one of multiple nodes.
但是在许多情况下，希望只修改多个节点之一。
To be clear, this is true for a Rope with many internal nodes.
明确地讲，对有许多内部节点的Rope是这样。
So for a 2 s orbital, how many total nodes will we have?
对于2s轨道，有多少个节点？
The Internet is made up of many millions of relatively simple nodes.
Internet是由数百万个相关的简单结点组成的。
The Internet is made up of many millions of relatively simple nodes.
Internet是由数百万个相关的简单结点组成的。
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