This process involves several tests before a person can receive a visa to stay in the United States for the training period.

VOA: special.2009.06.02

It's also going to be the process of watching an artistic form unfold over a very exciting period of time.

更是一个观察某种艺术形式在一段,刺激的时间里展现的过程。

耶鲁公开课 - 1945年后的美国小说课程节选

So, the process of developing a vaccine occurred over a long period of time.

疫苗的发展经历了很长一段时间

耶鲁公开课 - 生物医学工程探索课程节选