Gas phase single atom. So we don't have to deal with work function or any kind of energies associated with some condensed form of matter.

气相的单原子，所以我们不需要再,处理功函数的问题,以及和凝聚态相关的能量问题。

麻省理工公开课 - 固态化学导论课程节选

It's going to be positive in terms of its wave function or in terms of its phase anywhere where y is positive.

只要ｙ大于零它的波函数,或者说是相位为正。

麻省理工公开课 - 化学原理课程节选