求翻译：在产品的结构设计上，应用有限元分析，通过计算确定最佳型面，并提出双刚度设想，确保了扣件系统在受到冲击载荷或超载情况下的二次刚度保护。是什么意思？

In the structure of the product design, finite element analysis, determined by calculating the best surface, and dual stiffness envisaged to ensure that the fastening system under impact loading or overloading secondary stiffness protection of

In the product on the structural design, analysis, and application of the limited dollars calculated by determining the best-fit, and double-rigidity, make sure that the fasteners in System shock load or overload the stiffness at the 2.

In the product structural design, the application finite element analysis, through the computation determination best profile, and proposed the double rigidity tentative plan, guaranteed has buckled a system in to receive in the impact load or the overload situation two rigidity protection.

In the structure of the product design, application of finite element analysis, through calculations to determine the optimal surface, and dual-stiffness envisaged to ensure fastener system was under the impact loading or overloading of secondary stiffness protection.

正在翻译，请等待...