What we call a quasi-experimental design, does incorporate a control group but there is no randomization.

我们所谓的准实验设计，确实包含了一个对照组，但没有随机化。

We decided to randomize the message that they got in their mail inbox.

我们决定随机化他们邮件收件箱中收到的信息。

The idea is to randomise the starting positions of the non-pawn pieces.

这个想法是随机化非棋子的起始位置。

And the new type of strategy is to randomize over your existing strategies.

新型策略是对现有策略进行随机化。

But in principle, there's another way to achieve randomization.

但原则上，有一种方法可以实现随机化。

Then randomize the order again and repeat the measurement.

然后再次随机化顺序并量。

It is a randomization over your pure strategies.

这是对纯粹策略的随机化。

What's the other way you could achieve randomization?

您可以通过什么其他方式实现随机化？

That's one way to achieve randomization: you could have it done centrally.

这是实现随机化的一种方法：你可以集中完成它。

The Wikipedia attack, meanwhile, might be stopped by randomising the timing of the snapshots taken for the datasets.

维基百科攻击可能通过随机化用于数据集的快照拍摄时间来阻止。

And we're going to expand your actual available choices to include all randomizations over those.

我们将扩展您的实际可用选择, 以包括所有这些随机化。

But it won't have been some central authority doing the randomization.

但不会是由某个中央权威机构来进行随机化。

In some cases you may be able to reduce this problem by randomizing the order of related questions.

在某些情况下，您可以通过随机化相关问题的顺序来减少此问题。

The next layer, might contain some technical details, such as the randomization scheme and what statistical tests were used.

下一层可能包含一些技术细节，例如随机化方案和使用的统计试。

So here we've been discussing randomization in these settings in the following form.

因此，我们在这里以以下形式讨论这些设置中的随机化。

It's not randomized, and see if you have safety signals that pop up in the vaccinated relative to the control group unvaccinated.

这不是随机化的，而是观察接种疫苗组相对于未接种疫苗的对照组是否出现安全信号。

And we know, based on now the Mendelian randomization trials, that the risk of LDL is more of like a lifetime exposure risk.

而且根据现在的孟德尔随机化试验， 我们知道，LDL 的风险更像是一生的暴露风险。

So randomization or more dramatic things like bussing are policies arrived at really because we know of the existence of these models.

因此，随机化或更具戏剧性的事情（如公交车）实际上是由于我们知道这些模型的存在而制定的政策。

Now, however, as soon as we introduced the idea of individual randomization we've gone a little bit beyond where we got to in the class.

然而现在，我们一引入个体随机化的想法，就稍微超出了课堂上的范围。

We're gonna be able to bring the tactical environment around that jet that the war space that it goes into almost be at a stochastic level from the enemy's perspective where it almost seem like.

我们将能够使那架战机周围的战略环境，即它所进入的战场空间，从敌方的视角来看，几乎达到随机化的程度。这使得敌方感觉仿佛每一次进入的技术环境都是不可预且极其致命的，因为统正在提供全新的战术。