Now,it's very tempting at this point to say,look,of course Nothing could be easier ? Just imagine being in heaven forever,right?
现在我很想说,当然了,这没什么难的,只要想象永远在天堂就行了对不对?
And if you have trouble, admit it. It's okay.
当你遇到麻烦的时候,承认它。这就行了。
And you can find these compressibility factors in tables. If you want to know the compressibility factors for water, for steam, at a certain pressure and temperature, you go to a table and you find it.
各种气体的压缩系数,想知道水或者水蒸气,在某个温度和压强下的,压缩系数,查表就行了,这是实际气体状态方程的。
But for now, think of this as just another way to write a function call.
但是现在,把这当成是写函数,调用的另外一种方式就行了。
It doesn't matter, as long as the second derivative is a; that's the answer.
这并不重要,只要二阶导数是a就行了,这就是答案
So let's have a new board, this one will do fine.
让我们换一块黑板,这一块就行
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