States that want to take part in the Race to the Top cannot have rules that bar performance-based pay for teachers.

VOA: special.2009.07.30

Cp, I forgot to put my little bar on top here because it's per mole Cp dT that's my dq here.

上面的Cv我忘记加上横线了,因为它也是摩尔热容。

麻省理工公开课 - 热力学与动力学课程节选

But of course, if you were a simple perceptual creature, you would just see that there'd be a bar on top and a bar on the bottom.

如果你只是个拥有感知的简单生物,你只会看到在顶端和底端分别有一根木杆

耶鲁公开课 - 心理学导论课程节选