For the simple reason that the number of possible chess games is so huge, that computers can't calculate it.
原因很简单,棋局的潜在变数相当之大,以至于计算机根本无法将其完全计算出来
We won't talk about the BCS rankings, though So the idea here is a pretty simple one.
我们并不是在说英国计算机协会排名,所以我们要讲的概念很简单。
Any one of those things is possible it's just the simple math that I just showed you.
以上这些都是有可能的,都是刚刚讲到的简单计算。
For those of you don't know what that is it's simply an instrument that counts radioactive particles in the air, and MIT now that you're at MIT, you'll all have a chance to see one first hand if you're ever in any of the labs, especially in the chemistry or bio labs.
不知道它是什么,它就是一个简单的,计算在空气中放射粒子数目的仪器,你们现在来了,如果你们在实验室里工作的话,尤其是化学和生物实验室,你们有很多机会亲手用到它。
So, there's a very simple computational network.
这是个非常简单的计算网络
It's sort of the canonical hello world program as computer scientists call this very simple example.
这只是某种“hello,world“程序,即计算机界最简单的程序样例。
And as long as that smaller computation reduces to another smaller computation, eventually I ought to get to the place where I'm down in that base case.
如果我不属于基础事件,那么我需要把它简化为更简单的计算,随着计算的不断简化,最终我能分解成基础事件。
it's an easy calculation -- we're just taking the negative of the binding energy, again that makes sense, because it's this difference in energy here. So what we get is that the binding energy, when it's negative, the ionization energy is 5 . 4 5 times 10 to the negative 19 joules.
这个计算很简单-我们,只需要取结合能的负值,同样这很容易理解,因为这就是这的能量差,所以我们得到的就是结合能,当它取负值,电离能就是5。45乘以。
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