The shell structure which people hadn't even thought of.

壳状结构,之前人们从未想到过。

麻省理工公开课 - 固态化学导论课程节选

So, let's take a look at one of these rows in more detail to think about why this might be happening, and it turns out the reason that these glitches occur are because the sub shell structure predominates in certain instances, and that's where these glitches take place.

那么，让我们仔细地看一看其中一行,想一想为什么会这样，结果是这些小偏差的出现,是因为在一定情况下,亚壳层结构会产生重要影响，这正发生在小偏差出现的地方。

麻省理工公开课 - 化学原理课程节选