It might be necessary to run an instance directly on a specific user system, depending on the nature of the problem.

在特定用户系统中可能需要直接运行实例，这取决于问题的性质。

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As an instance, it was used to analysis a structure of plane stress problem. The detail computing steps and results were presented.

以平面应力问题分析为例，进行了数值试验，给出了详细的计算步骤和结果。

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