对基于Microstation平台的三维预应力钢束辅助设计软件进行了研究和开发，介绍了其功能设计与总体框架，并对其关键流程以及算法进行了分析，指出该软件解决了直观呈现预应力钢束空间曲线形状并自动计算理论伸长量的问题，具有一定的实用价值。%The aided design software for three-dimensional prestressed steel was researched and developed based on Microstation, introduced its function design and overall framwork, and analyzed the key process and algorithms, the visual rendering of three-dimensional prestressed steel was solved, also theoretical elongation was automatic computed, which has certain practical value.
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