The 2 sigma comes from two standard deviation, sigma, the symbol for standard deviation.

2 sigma 来自两个均方差，sigma 是均方差的符号。

Sigma Alpha Epsilon said it was closing the local chapter.

社团组织Sigma Alpha Epsilon称举办地点距离当地的教堂很近。

So this is the capital Greek letter sigma right over here, it's shorthand math, math shorthand for sum.

这是大写的希腊字母，它是数学中总和的简写。

This could apply to females as well, of course, called the 'sigma female'.

这也适用于女性，当然，被称为“西格玛女性”。

This is the Sigma Winged liner E06, very important to have it super duper small.

这是 Sigma 精细斜角眼线刷E06型号，非常小，但非常重要。

When I started this channel I made a highly criticized video about an idea called the sigma male.

当我开始这个频道时，我制作了一个备受批评的视频，讲述了一个叫做西格玛男性的想法。

Four sigma is like one in 10,000 chance that it's just noise that created this correlation across the pulsars.

“4 西格玛”指的是“噪声是造成脉冲星之间相关性的原因”的几率为万分之一。

Alpha Delta Sigma, DADS. And we had parenting classes.

阿尔法德尔塔西格玛，爸爸。 我们有育儿班。

And that's the same thing as sigma squared of y.

这与 y 的平方西格玛是一样的。

They're always grinding and on this Sigma Grindset, go, go, go, you know?

他们总是在磨，在这个西格玛研磨装置上，去，去，去，你知道吗？

And a long string of sequential terms added together is collapsed into a capital sigma.

一长串连续的项加在一起被折叠成一个大写的西格玛。

Newer quant outfits, like aqr and Two Sigma, beat humans' returns and gobbled up assets.

较新的量化机构，如 aqr 和 Two Sigma，击败了人类的回报并吞噬了资产。

But the sigma right here, that is just the standard deviation of the distribution.

但是这里的 sigma 只是分布的标准偏差。

This straightforward sort of bond is called a sigma bond.

这种简单的债券称为 sigma 债券。

As they come together for the bond, the sigma bonds will occur between the hybridized orbitals.

当它们聚在一起形成键时， σ键将出现在杂化轨道之间。

Double bonds consist of a sigma bond and a pi bond.

双键由西格玛键和π键组成。

The sp orbital, the one that forms the sigma bonds here, is linear.

在这里形成西格玛键的 sp 轨道是线性的。

That pi bond bridges the sigma bond, locking it in place.

那个 pi 键桥接 sigma 键，将它锁定到位。

According to this idea, the sigma male does not identify with a specific place in the hierarchy, or with a group for that matter.

根据这个想法，西格玛男性不认同等级制度中的特定位置，或者就此而言，不认同一个群体。

The University of Oklahoma's president says an investigation is underway to determine if some members of the Sigma Alpha Epsilon fraternity can be expelled.

俄克拉荷马大学校长称目前的调查正在继续，调查结果将决定是否对社团Sigma Alpha Epsilon联谊会的成员进行开除处分。