Struts of singly symmetric section need to be checked on flexural torsional buckling, according to the current code for steel structure (GB50017—2003).
《钢结构设计规范》（GB50017—2003）提出对单轴对称截面钢压杆的弯扭屈曲需做单独验算。
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。
Methods 32 cases of CPE patients were detected with MRI in volume of hippocampal area at anterior white commission paralleled with long axis of stem in symmetric and coronary section.
方法采用冠状切面，左右对称，平行于脑干长轴，由白质前联合位置测量了32例复杂部分性癫痫病人头MRI海马区体积。
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