其次，在数值求解该组方程的过程中，未知函数裂纹表面位移差被近似为位移差的基本密度函数与多项式之积。

Then these equations are solved numerically by approximating the unknown displacement difference to a product of the fundamental density function and polynomials.

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其次，在数值求解该组方程的过程中，未知函数裂纹表面位移差被近似为位移差的基本密度函数与多项式之积。

Then these equations are solved numerically by approximating the unknown displacement difference to a product of the fundamental density function and polynomials.

youdao