And all this is, is saying that when you take a mixed second derivative, it doesn't matter in which order you take the two derivatives.
麦克斯韦关系的本质是,当你考虑混合的二阶导数时,求导的顺序不影响最后的结果,现在,我们利用这些关系。
I hear this as me being in the center and this oxcart starting-- It could start at either side. It doesn't matter.
我听着这首曲子,感觉像我正站在路中央,然后牛车动了,牛车可以从任何方向开动,这没有关系
It doesn't matter if we finish a little bit early, but I want to try to get this game at least started.
不管能不能提前下课了,还是先开始这个游戏吧
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