And, in order to determine that, we had to wait a few years until 1909.

为了完成那，我们等了好几年，直到1909年。

麻省理工公开课 - 固态化学导论课程节选

Well now we know what needs to be calculated in order to determine that.

现在我们知道我们应该,计算什么来回答这个问题。

麻省理工公开课 - 热力学与动力学课程节选