预应力技术可以改善钢结构的强度、刚度和稳定性，调整钢结构的动力性能。
Prestressed technology can improve the strength and rigidity and stability, and adjust the dynamic performance of steel structure.
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.
双万向轴的优化数学模型必须满足强度、刚度、振动条件、稳定性及边界条件的约束。
The optimal mathematical model of the double universal spindle must satisfy the constraints of strength, rigidity, vibration condition, stability and boundary condition.
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