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dudv

dudv

棉花糖(dudv) 2012-05-16 23:26 这是在给世界联盟选主席吧？

So , it's not true that you can just say , oh, I 'll put a constant times dudv.

Once you have found the ratio between du dv and dx dy, then it works one way or it works the other way.

So , that means du dv is worth five times dx dy.

And so n dS is this cross-product times du dv up to sign .

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