But remember that we need to multiply it by the volume here, the volume of some sphere we've defined.
但记住我们需要把它乘以体积,乘以一个我们定义的壳层的体积。
But I just need to realize that, you know, people are going to enjoy it.
但我只需要认识到一点,那就是人们会喜欢它的。
It might not have any electrons in it, but it still exists, so you need to draw these into your molecular orbital diagram.
也许它里面没有电子,但它是存在的,所以你需要在分子轨道图里画出来。
But whereas the other one was obviously forever, this allows you to specify a finite number of times that you wanna do something.
但又不同于“无限循环“,你可以根据需要,为它指定循环次数。
I believe that and why do we need to have it as a basic premise of the course, '?" as opposed to change is illusive?"
我相信这一点,但为什么我们需要把它,作为课程的基本前提,而不说'改变是虚幻的“
If we want to know the total heat added to the system, we can measure it, which is the straightforward thing, but sometimes you want to calculate in advance, or sometimes you want to calculate it on an exam.
如果想知道给系统的总热量,我们可以测量,这是很直接的事情,但有时候我们想事先计算它,或者需要在考试中计算。
But you need to get it out of your head.
但你也需要忘记它。
If I had a third axis, I would draw a k, but we don't need that.
如果有第三根轴,我可以画一个矢量 k,但我们现在不需要它
But you're not responsible for knowing specifically that it's 11 . 5 times greater.
但你们不需要记住它,具体是11.5倍这么大。
And so very often I would find myself with gigabytes worth of data, at night I needed to analyze this data and look for this patterns and frankly the reality was sometimes I could spend 10-15 minutes whipping up a little script, a little program that unfortunately would take eight hours or more to run.
我经常会发现十亿字节的数据,晚上我就需要分析这些数据并,找出模型,坦白说,有时,我会花10-15分钟来编写一个小脚本,一个小程序,但不幸的是,运行它可能需要8个小时或更多时间。
Yeah, good. So, they're actually helium atoms, helium ions. And this wasn't really important for the studies, it didn't matter that didn't know what they are but it's nice to kind of know now - that we do know what they were using.
氦粒子,这对他们的研究并不重要,他们并不需要知道它是什么,但我们最好知道,他们当时用的是什么。
Otherwise, it's a pretty bad mistake, but sometimes you do want an infinite loop, Word for instance, Microsoft Word if you use it or pages or the like on your Mac or PC.
否则,它将会是一个错误,但有时你确实需要一个无穷循环,例如微软的,当你在Mac或者PC上使用它时。
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