Patriot PAC-3 guided missiles are in place in Iwate and Akita prefectures, below the path Pyongyang has announced its rocket will traverse.

VOA: standard.2009.04.03

My path in life was fundamentally altered by just a handful of courses at this place and this was in fact one of them.

在哈佛所学的一些课程,从根本上改变了我的人生道路,这门课就是其中之一。

哈佛公开课 - 计算机科学课程节选

The sum of path number 2 and path number 3 get me to the same place, so the energy change by going through this time path, this intermediate point here back all the way to final state should be the same the red path.

而经过路径2和3可以3,到达同样的末态，因此经过路径,2和3带来的能量的变化，与路径1带来的,能量变化相同。

麻省理工公开课 - 热力学与动力学课程节选