Compared with the general finite element, the present element may have heigher first order convergence rate, the stresses can be obtained at nodes of element directly.
与一般有限元相比可以提高一阶收敛精度，应力可直接在单元节点上得到。
Compared with the general finite element, the present element may have heigher first order convergence rate, the stresses can be obtained at nodes of element directly.
与一般有限元相比可以提高一阶收敛精度，应力可直接在单元节点上得到。
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