But what's really shocking is when you compare this with this, it's based upon sonnet 57 because lanthanum is element 57.

但是真正令人震惊的是,当你比较这个和这个的时候，基于诗57来看7,而正好镧是57号元素。

麻省理工公开课 - 固态化学导论课程节选

And we're going to do this initially by looking at a straightforward implementation based upon what's called the decision tree.

我们将要做的是看看一种,直截了当的执行方案,这种方案是基于决策树的。

麻省理工公开课 - 计算机科学及编程导论课程节选

This is what it is based upon.

这是则是它基于的东西。

麻省理工公开课 - 固态化学导论课程节选