It was also shown that both accuracy and convergence could be ensured by 4-node quadrilateral element.

同时表明，采用四节点四边形单元能够保证数值解的准确性且具有良好的收敛性。

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It was also shown that both accuracy and convergence could be ensured by 4-node quadrilateral element.

同时表明，采用四节点四边形单元能够保证数值解的准确性且具有良好的收敛性。

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