如果你向这些条带的边界凑得非常近的话，你会看到它们并不只是单纯的黑与白或蓝或黄交会的线。

If you look very closely at the borders of the stripes, you see they aren't just lines where black meets white or blue or yellow.

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所以我们最初的计划是尽可能将硅线设置在一起，越近越好。

So our initial plan was to grow the wires as close together as possible.

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读者可能会猜想位居南回归线以南近100英里（160公里）的南非商业首都约翰内斯堡一年四季都沐浴在热带高温之中。

SITUATED barely 100 miles (160km) south of the Tropic of Capricorn, you might expect Johannesburg, South Africa's commercial capital, to be bathed in tropical heat all the year round.

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So that you take every sodium and you count all of its nearest neighbors, next nearest neighbors, next next nearest neighbors, not only on a line but in the plane and above and below in all three dimensions and go through that calculation, it is even more negative.

你考虑到每一个钠原子,你要考虑到它最近的原子，第二近的原子，第三近的原子，不是在一条线而是在一个面上,以及面上与面下的三维空间,再完成计算，这将会更负。

麻省理工公开课 - 固态化学导论课程节选