Here he is in his paper and says at that time I decided that it was advantageous to find a more general system of the elements and here is my attempt.

他在论文中说，当时,我觉得发现更多,的元素的通用系统是很有用的,这就是我的计划。

麻省理工公开课 - 固态化学导论课程节选

You find some way of systematically going through the list. Yet, I often see people, when they're debugging, proceeding at what, to me, looks almost like a random fashion of looking for the bug.

是不是目标元素,我们有一种系统化的，遍历数组的方法，然后我经常看到,有些人调试的时候。

麻省理工公开课 - 计算机科学及编程导论课程节选