It tends to be a one-way flow of communication From the faculty to the students. It highly confined Students have limited opportunities to ask questions.

那是从教授到学生,单向的信息流动,这种模式限制了学生提问的机会。

麻省理工公开课 - 媒体、教育、市场课程节选

If you have any feedback on this video as a way of communicating to you, from me to you, I'd very much appreciate hearing from you.

视频是,单向交流的形式，如果有反馈，请给我回复。

麻省理工公开课 - 媒体、教育、市场课程节选

The flow of information is really a flow of electrical potential and it goes in one direction only.

信息流实际上就是电势差的流动,并且流动是单向性的

耶鲁公开课 - 生物医学工程探索课程节选

Synthesis always occurs in one direction and that makes sense to you now because you know there's a directionality and the chemistry is different going one way than the other and this DNA polymerase only works on the chemistry going in one direction.

NA复制过程是单向的,现在你们该明白原因了,因为DNA单链有方向性,DNA在两个方向上化学性质不同,DNA聚合酶,只在一个方向上起作用

耶鲁公开课 - 生物医学工程探索课程节选