让我运行下这个程序。
To see exactly what the migration does, just run it and look at the database.
要准确地看到迁移做的工作,只需运行迁移并查看数据库。
And then I could do things like again, say, okay having done, that let me just run it here, run that, so I've now got polar point 1, and polar point 2.
然后给它们赋值半径和角度,然后我可以进行刚才的操作,也就是说,对刚才的笛卡尔坐标进行的操作,让我们来运行下它吧,运行下,现在我有一个极坐标点。
But, just to be sure, not to be sure, but just to increase my confidence, I'm going to just run it again.
所以说它是对的是很有道理的,但是,确定一下,但是为了提高我们的自信,我要再运行一次。
I was hoping for a simpler answer, which is, just run it. Which is, yeah I know, seems like a dumb thing to say, right?
我希望一个简单点儿的答案,比如说去运行它吧,这方法看起来挺笨的对不对?
You couldn't just run something successfully in a cycle and get work out of it, using the heat from the hot reservoir, without also converting some of the heat that came in to heat that would flow into a cold reservoir.
如果一样东西在循环工作过程中,只有热从高温热源中流出,而没有热流入低温热源,那么此过程,不可能对外做功,不可能把所有热。
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