What we're going to start with is discussing photoelectron spectroscopy, which is a spectroscopy technique that will give us some information about energy levels in multielectron atoms.

首先，我们将讨论,光电子能谱，通过这种技术,我们能够得到多电子原子的能级信息。

麻省理工公开课 - 化学原理课程节选

Do we want to be electronically delivered or do we want to have face-to-face component?

想借电子技术传达信息,还是想面对面交流？

麻省理工公开课 - 媒体、教育、市场课程节选