In this column, I will talk about a few random topics that I have been examining that might give you a little bit better understanding of what goes on during the performance testing process.

在这个专栏中，将谈论我所研究过的一些随机主题，这些主题可能可以帮助您更好地了解在性能测试过程中所发生的情况。

youdao

I scan it a little bit in a random way over my topics, so let's now talk about dot products.

我在我的讲题里，随机扫描了一些，现在开始讨论点积。

youdao

Don't talk at random about the things in which you are interested but the other is not.

不要不考虑不同的交谈对象，而随兴所至地讲自己感兴趣而对方没兴趣的话题。

youdao

Covariance is--we'll call it--now we have two random variables, so cov... I'll just talk about it in a sample term.

协方差是...我们有两个随机变量,x和y的协方差是,从样本的角度来说

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