This encrypted data element references the <xenc:EncryptedKey> value from the security header as the key for the symmetric encryption used on the Body content.
这个已加密的数据从安全头部引用 <xenc:EncryptedKey> 值作为在 Body 内容中用于对称加密的密匙。
The factors of topography asymmetry upon the arch dam are analyzed in the essay by finite element based on Baihetan Symmetric Arch Dam.
构造一对称拱坝作为对比拱坝，以白鹤滩拱坝为例，采用有限单元法对拱坝的地形不对称因素进行分析。
Theory calculate and finite element method to symmetric conic-section flexure hinges is used to compare and analyze their dynamics characteristic.
通过对四种二次曲线截面的柔性铰链的理论计算和有限元分析，比较分析了它们的力学特性。
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