Slim,whose real name is Bill Homans, has come a long way from his job as a heavy equipment operator for the U.S.Army during the Vietnam War.

VOA: standard.2010.08.04

What I want to point out also is that this h hat, the Hamiltonian operator written out for the simplest case we can even imagine, which is a hydrogen atom where we only have one electron that we're dealing with, and of course, one nucleus.

我也想指出的是，我们能想到的最简单情况,的哈密顿算符，是一个只有一个电子,也只有一个原子核的氢原子。

麻省理工公开课 - 化学原理课程节选

Student Anna Klevets applied for the metro train operator job and was denied.

VOA: standard.2009.11.05