If I wanted every stock to have the same volatility, I could just do that, if you will, at the time I wrote my program.
如果我希望每只股票的浮动值都相同,在我编写程序的时候,如果你愿意的话,我会这么做。
I'm thinking about a problem, I'm going to show you an example in a second, first thing I'm going to do is say, what is the thing that's going to change every time I run through the same set of code?
我要解决一个问题,我马上会让大家看一个例子,第一件我要做的事情就是,弄明白每次运行同样的指令集时,每次都会改变的东西是什么?
A cohort study means you take the same group of people and follow them every five years for that period of time.
定群研究意味着你只有一组研究对象,然后在研究期间每五年进行一次记录数据
If every time I get the same acceleration, I'm convinced this is a reliable spring that is somehow producing the same force under the same condition.
如果每次都能得到相同的加速度,这个弹簧的可靠性就能令人信服,即它在相同的条件下能够产生相等的力
By regular rate we mean that the amount of time that each chord holds is exactly the same; every chord holds for the same length of time.
如果变化频率规则,那么和声中每个和弦持续的时间长度是完全相同的;,每个和弦都持续同样长的时间。
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