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.
镁合金是比重最轻的结构材料，具有高的比强度、比刚度和良好的磁屏蔽性、阻尼性、切削加工性等优点。
As the lightest constructional material, magnesium alloy has high specific strength, high specific stiffness, good magnetic-shielding ability, good damping ability, and good machinability.
采用有限单元法对车体结构的强度、刚度、稳定性、挠跨比、扭转刚度进行计算，为车体设计提供了参考依据。
The strength, rigidity, stability and torsional rigidity of the bodywork structure were calculated by using finite element analysis. Thus the optimum fillet of the bodywork structure can be specified.
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