So if you picture, for example, b h 3, it's going to look like this.

如何使键劲量相互远离，我们会有平面三角形的情形，如果你想象。

麻省理工公开课 - 化学原理课程节选

This vector i prime has got a horizontal part, This kind of trigonometry you should know all the time.

矢量 i' 有一个水平方向的分量,这类三角关系你们应该已经很熟悉了

耶鲁公开课 - 基础物理课程节选

I think that's also why Barth chose to write this story in the perfect short story form. And that form is also given to us in Lost in the Funhouse, on page 95, when we get the diagram of Freitag's Triangle.

我认为这也是为什么巴斯选择用完美的短篇小说的,模式写这个故事的原因，这个模式在,《迷失在开心馆》里也有体现，在第95页，就是Freitag三角的图解。

耶鲁公开课 - 1945年后的美国小说课程节选