One standard deviation happens one draw out of three, two standard deviations one out of twenty, three standard deviations is one out of one hundred.

落在一个标准偏差之外的概率是1/3,两个标准差之外的概率是1/20,三个标准差之外是百分之一

耶鲁公开课 - 金融市场课程节选

I picked for it two dimensions as the standard way to explain it.

我选取二维的情形作为标准模型来讨论

耶鲁公开课 - 基础物理课程节选

in his great depiction of hell in Books One and Two) to avoid the standard epic scenes of the torture of the damned, for example, with which we're familiar if we've read Homer or Virgil or, of course, Dante much later.

在他第一和第二册书对地狱的精彩描述）,去避免提及传统史诗中关于恶者被折磨的场景，例如我们所熟悉的那些场景,如果我们读过荷马的，维吉尔的，当然还有但丁的作品。

耶鲁公开课 - 弥尔顿课程节选

Good, so in the standard story you've got these two crooks, or two accused crooks, and they're in separate cells and they're being interviewed separately--kept apart--and they're both told that if neither of them rats the other guy out, they'll go to jail for say a year.

在故事里有两个罪犯,他们都被指控了 被分别关进了牢房,他们俩被单独提审,两人都知道如果他们不坦白,他们都要只需要坐一年牢

耶鲁公开课 - 博弈论课程节选

So with problems at zero, ; which will be posted in two forms; PDF PDF for standard and PDF for hacker on cs50.net tonight, you will have the choice of implementing pretty much any scratch projects you can think of, and which subject to very few constraints.

对于问题集，我们提供了;,标准PDF以及可编程,今晚它们都会被放在CS50，net上，你可以选择任何,你想到的项目，范围不限。

哈佛公开课 - 计算机科学课程节选