十字对称 meaning in English

cruciform symmetry

6 . experimental investigation of the motion specifications of two dimension stage based on above crossed symmetric flexure hinge
6 .基于二维十字对称柔性铰链结构的微位移工作台试验测试。
The relations between the mode frequency , static characteristic and the framework parameters are studied . a two dimension crossed symmetric cantilever flexure hinge is investigated using finite elements method . the simulation of the mode frequency and the study of the relation between the displacements and the stress indicate that this flexure hinge has good flexibility and linearity between the displacement and the maximum stress
研究了二维复合式悬臂梁柔性铰链模态频率、静态特性与铰链结构参数之间的关系；建立了结构参数和力学特性西北工业大学博士论文之间的对应关系;研究了基于复合式悬臂梁柔性铰链的二维十字对称柔性铰链结构，对其模态频率以及位移应力特性进行仿真试验;结果表明此种结构形式的运动对称性很好;其驱动位移与结构体最大拉压应力值之间接近线性关系，而且这种结构可以得到100林m以上的运动位移。