参数优化分析是张弦桁架结构设计中的关键问题。
The optimization of parameters is a key point during the designing of TSS.
齿板连接性能的研究，对木桁架及整个轻型框架的木结构设计及性能优化具有重要意义。
Metal-plate-connected(MPC) wood trusses for roofs and floors have been used in light-frame residential and commercial constructions for decades.
由于本文的研究对象为桁架结构，因此建立了其优化设计的简单生命周期模型。
As the paper's research object is truss structure, a simple life cycle optimization model for it is established.
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