提出了最佳连接的概念，并将节点柔性系数作为设计变量，建立了弹性连接杆系的结构优化模型。
With flexibility coefficients considered as design variables, the model of structural optimization of the POle systems connected by elastic nodes is also built up.
吊索与钢管拱连接节点的设计是系杆拱桥建设中的关键技术难题。
The design of the joints between cable and arch rib is a difficult, but key technological problem in the construction of tied arch bridge.
讨论并求解了一端系有集中质量再与弹簧连接的均匀弹性杆振动问题； 以及一端系有集中质量的非均匀弹性杆振动问题。
The vibration of a uniform flexible rod connected to a concentrated mass which is further connected to a spring is solved.
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