So this is the idea of the octet rule that Lewis came up with way back in 1902.

这就是所谓的八隅体规则,是路易斯在，1902，年提出来的。

麻省理工公开课 - 化学原理课程节选

He's got a box within a box. This is 1902.

他在箱子里又放了一个箱子，这是1902年。

麻省理工公开课 - 固态化学导论课程节选

- So what we're seeing is this is notes from 1902 -- he actually didn't publish any of this work or these ideas that led to Lewis structures until 1916, but his early class notes were used as evidence about how long ago he actually came up with the idea of it.

我们看到的这是，1902，年的讲义-,实际上他直到1916年才发表这些工作或者想法,后来发展成为了路易斯结构，但他早年上课的讲义却成为了他在多久之前,就产生了这个想法的证据。

麻省理工公开课 - 化学原理课程节选

Now, remember, this is 1902.

记住，那是在1902年。

麻省理工公开课 - 固态化学导论课程节选