玻璃钢夹层结构的导弹包装箱比加肋玻璃钢导弹包装箱具有更高的刚度、强度和稳定性，更能满足产品设计要求。
Missile packing box of FRP sandwich construction has higher stiffness, strength and stability than ribbed FRP missile packing box, it can meet higher requirement of product design.
基于有限元方法在产品设计和性能分析中的广泛应用，根据压电耦合有限元分析理论，对雾化器结构进行了深入的分析。
As widely application of FEA in product design and performance, the finite element method is used to analyze the structure of nebulizers based on the piezoelectric coupling theory.
并且具体给出了系统的结构体系和功能体系以及网络环境中产品设计的运行模式。
This paper offers the architecture and functions of the system and also offers the operation model of the product design in network.
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