A roof structure with steel tubular truss in one stadium is taken as a research object in this article, and some aspects of static and dynamic performance are covered.

本文以实际工程中某体育馆的钢管桁架屋盖结构为研究对象，对其静动力性能进行研究。

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The external structure of the Olympic Stadium has been built, the dynamic curving roof of the Aquatics Center is more than halfway complete, and work is "progressing well" on the Olympic Village, the Velodrome indoor cycling venue, and the main press center, officials say.

CNN: London marks three years until Olympics