OK, we'll have a careful look at the content of your case study in a minute, but I just want to make a general comment first, before you start writing your second draft.
好的,我们稍后会仔细看一下你的案例研究的内容,但是在你开始写第二稿之前,我想先做一个大概的评论。
In our case, keep the defaults and then click OK.
在我们的案例中,保留默认值,然后单击ok。
Ok also has a special case when called with two arguments.
当使用两个自变量时,Ok也有特殊情况。
Whereas in the linear case, I make it ten times bigger, it takes ten times longer to run. OK.
它要占用原来十倍的时间去运行,我一直在说还有一件事情没有讲,这是我要强调的最后一件事。
OK, in each case, what these things are doing, is they're doing, what sometimes gets referred to as operator overloading.
这将会是个默认的或者说是,通用的来比较对象是否相同的方法,好,在每个例子中,这些事情正在做的,就是,一些与操作符重载有关的东西。
So if delta v is negative, in this case delta v is negative, OK, delta v is negative, pressure is a positive number, negative times negative is positive, work is greater than zero.
也就是当活塞,压缩气体的时候,做的功是正的,按照这一规定,我们需要在这里,加上一个负号,这是习惯规定。
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