It is proved that the intersecting line of the two curved surface is space curve, and the equation is quartic implicit function with one unknown.
论证了两曲面的交线为空间曲线，其方程为一元四次隐函数关系式；
One of the schemes adopts the integral equation with equivalent current as an unknown function, whereas the other USES the integral equation with total electric field as an unknown function.
一种方案采用以极化电流为未知函数的积分方程，另一种方案采用以总电场为未知函数的积分方程。
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