variance of a probability distribution 概率分布的方差
variance of a single sample 单项样本变异数
variance of a random variable 随机变量的方差
If there is a variance of more than 5%, provide a brief explanation.
假使有超过5%的差异,提出简略说明。
The congenital dextrocardia is a variance of the cardiac position, which is not very common on clinic.
先天性右位心是一种较为少见的心脏位置变异。
Of course, learning does vary a lot between individual students, but research reliably shows that this variance is far greater within populations of boys or girls than between the two sexes.
当然,不同学生的学习能力差异很大,但研究确实表明这种差异在男孩或女孩群体中要比在两性群体中大得多。
We want a high expected value of returns, but we don't like variance.
我们希望收益的期望值较高,并且稳定
There's a very important principle that finally comes out here, it is that you always want to reduce the variance of your portfolio as much as you can.
现在这里有一个非常重要的原则,即你总是想要降低你投资组合的方差,降得越低越好。
And in this context, the length of that array is stored in Arg C. Well, let's take a look at a slight variance of this that reveals further what we can do and reveals what a string really is.
关于这点,那个数组的长度被存储在ArgC中,好的,让我们看看这个轻微的变化,那个揭示了我们可以做的,和字符串实际上是什么。
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