大跨度张弦立体桁架结构是一种新型的预应力空间结构形式。
Long-span spatial truss string structure is a new form of prestressed spatial structure.
构想了公路立体拓宽的几种基本结构形式，介绍了其应用条件。
The paper mainly proposed several basic shapes of expressway grade-separated widening and introduced its applied conditions for reference.
比较分析了四种常见车库提升系统的结构形式，选定了适用于电梯式立体车库运行的结构，确定传动比。
From four structures of usually lifting system, the applicable form was chosen, and then the transmission proportion was fixed.
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