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,#ececec);">Analytical Field</code>或<code style="background-color: var(--ds-md-inline-code-color,#ececec);">Expression</code>定義壓力分布）。

element incremental stiffness of the regular tangent stiffness method and the theory of algorithms to do an in-depth analysis of deduced a regular tangent stiffness and rigidity of the law of the specific expression