And you get that reinforced on the very next page if you just skip over about a page from there: "A black pickup truck turned off a side road in front of him.
当你看到下一页时,这种感觉会加强,直接往后跳过一页:,“一辆小型黑色货车,在他面前拐进一条小路。
Oh, and actually before you skip your page in the notes, I realized I should write out for you what the addition is to start with. So, when we're combining two waves, 1sb what we have is 1 s a that we're adding together with 1 s for b, the second atom.
在你们翻过这页讲义之前,我觉得我应该写出加法,当我们把两个波函数放在一起时,我们用1sa加上,第二个原子。
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