The sign is formed by a line across the right foot of the letter "R."

VOA: special.2009.03.22

We take this Cv and put in the exponent here R right. And we put this R up in the exponent here.

我们把这个Cv提出来,放在这里的指数上，好吧？然后把。

麻省理工公开课 - 热力学与动力学课程节选

In an orbital is remember that this area right here at r equals zerio, that is not a node.

例如对于１ｓ轨道,记住这里ｒ等于０处不是一个节点。

麻省理工公开课 - 化学原理课程节选

The Jets edition of "Hard Knocks" was foul-mouthed, unapologetic and often irresistible, and the R-rated club went right back out and reached the AFC championship again.

WSJ: Jason Gay: Let's Go Eat Another Bleeping Snack

There's a popular reverse acronym among the "prepper" community that goes right along with a famous R.

CNN: Be honest: Apocalypse seems kind of exciting, in a way

This is not about defaulting on outstanding bonds, as Representative Michele Bachmann (R-MN) and others on the right insist, and as Geithner has clumsily threatened.

FORBES: Right Shows Blithe Indifference To Consequences Of Hitting The Debt Limit