原子事务、回滚和其它关键的数据库主题背后的理论非常类似于学生在操作系统中学习的问题。

The theory behind atomic transactions, rollbacks, and other critical database topics are very similar to the issues students study in operating systems.

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天然气的主要成分是甲烷，它含有一个碳原子和四个氢原子，这项转化的关键是把一个甲烷分子变大。

The challenge is to take a molecule of methane, the main component of natural gas consisting of one carbon atom and four hydrogen atoms, and turn it into something bigger.

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这个实验中的关键部件是碳纳米管，即一种由类似铁丝织网一样的碳原子网格组成的亚微观中空管。

The key ingredient in the recipe is carbon nanotubes — submicroscopic hollow tubes made of a chicken-wire-like lattice of carbon atoms.

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When we talk about resonance structures, we're talking about cases that have the same arrangement of atoms the key is the atoms are the same, and the thing that is different is the arrangement of electrons here.

当我们讨论共振结构的时候，我们讨论的是原子排布相同情况,关键在于原子是相同的，不一样的只是电子排布。

麻省理工公开课 - 化学原理课程节选

The thesis of 3.091, and this is where the chemistry comes in, is that electronic structure of the elements holds the key to the understanding, not just the chemical bonding, but the long range atomic order.

这是这门课的论点，这是化学的研究点，也就是元素的电子结构,那即是理解的关键，不只是化学键，还有长程的原子排序。

麻省理工公开课 - 固态化学导论课程节选