自平衡钢管混凝土系杆拱桥以其科学合理的受力特性，新颖优美的结构形式而受到了桥梁科技工作者的青睐。
Self balanced steel pipe concrete tied arch bridge finds favor in bridge engineers' eyes because of its good performance with external loads as well as its new and beautiful structural style.
主要阐述了自升式钻井平台悬臂梁的两种结构形式特点，以及目前我国新建自升式钻井平台的选型目标。
This paper discusses the two structure forms of cantilevers of jack-up drilling platforms, and the type selection of news jack-up drilling platforms in our country.
自1940年代以来，已有许多不同构形的蛋白质二级结构陆续被提出。
Since 1940, various conformations have been proposed for the secondary structure of protein.
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