I've got two parameters, they're separated by a comma. Ah, right. Sorry?
我说的是什么?20和56对吧?注意格式,我有两个参数,它们由一个逗号隔开?
And the beauty of that equation of state is that it only relies on two parameters.
范德瓦尔斯方程,先把结果写出来。
First of all, two parameters. It's OK. All it says is, when I call this, I need to pass in two parameters for this to work. All right? Now, if I want to use that, I'm going to use a second piece of code here, called Barnyard. I'm going Barnyard to read in a couple of values, convert them into integers, and then I'm going to use solve to get a solution out.
注意我得到了什么,第一,两个参数,它的意思就是我调用这个函数,我得给它输入两个参数,明白了吗?,现在如果我要使用它我得用,这里的第二段代码,也叫,我将读入一组值,将它们转化为整型,然后我会用solve得到一个解决方案。
Then once you've got those two numbers, they're no longer free parameters; they're concrete numbers, maybe 5 and 9.
一旦你知道这两个量,它们就不再是自由参量了,它们是具体的数值,可能是5或9
Two, the arguments or parameters, and three, is the return value.
第二个,参数和参量,还有三,是那个返回值。
pV=RT p plus a over v bar squared times v bar minus b equals r t. All right if you take a equal to zero, these are the two parameters, a and b. If you take those two equal to zero you have p v is equal to r t.
我们就回到,也就是理想气体,状态方程,下面我们来看看,这个方程。
And then V minus the excluded volume term is equal to RT. Two parameters, this is the attraction between two atoms or molecules in the gas phase.
以及V减去一个排斥项,等于RT,两个参数,这是气体状态下两个原子,或者分子之间的吸引力。
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