On the basis of the current interpolation of the quadrangle elements, this paper develops the computing expressions for bidirectional linear interpolation.
针对四边形单元内电流的插值，推导出一组双线性插值计算式；
On the basis of the current interpolation of the quadrangle elements, this paper develops the computing expressions for bidirectional linear interpolation.
针对四边形单元内电流的插值，推导出一组双线性插值计算式；
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