The paper employs alternative Lagrange multiplier method to enforce the essential boundary condition, and the penalty function is employed again in order to improve the accuracy.

本文采用替换式拉格朗日乘子法施加本质边界条件，为提高精度，对修正泛函使用罚函数法再次施加本质边界条件。

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In the higher dimensional case, we give a sufficient condition, and also point out the connection between boundary representations and essential normality of modules.

在高维的情形，给出了一个充分条件，并且指出边界表示问题与模的本质正规性之间的密切联系。

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