f integral f积分
f - integral f积分
f integral in broad sense 广义f积分
f 0 the integral test f整体检验法
Integral Equation Method f 各向异性地层中电磁场三维数值模拟的积分方程算法及其应用
Then, yes, we can apply Green's theorem and it will tell us that it's equal to the double integral in here of curl F dA, 0 which will be zero because this is zero.
那就可以使用格林公式了，并且我们知道,它就等于的二重积分，结果为0，因为旋度F等于。
There is a similar thing with the divergence theorem, of course, with flux and double integral of div f, you can apply exactly the same argument.
有一个和散度定理很像的东西，当然，对于通量和div, f的二重积分，都可以使用类似的理论。
So, we'll call that the double integral of our region, R, of f of xy dA and I will have to explain what the notation means.
称之为区域R上fdA的二重积分,会向大家解释这些符号的含义的。
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