The main characters of SR are its software flexibility and structure opening.

软件无线电的主要特点是其软件的灵活性和结构的开放性。

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This iconic structure, built in Rome between 70 and 82ad, made spectacular use of the arch - a Roman architectural invention that has the beauty of opening up space but also being very stable.

这个代表性的建筑建于公元70 ~ 82年，用拱桥来显得蔚为壮观——这是罗马的建筑发明，它的美在于不仅扩大了空间，而且让建筑变得更加稳固。

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The hardware structure of this system adopts modularized standardization robot controller with opening style. It adopts distributing computer measure and control system structure.

测控系统的硬件采用开放式结构的模块化、标准化机器人控制器，分布式计算机测控系统结构；

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Mr Roberts said the official opening of the granite structure was a "celebration" of the success of the initiative to replace the old Snowdon cafe, which was built in 1935 and designed by architect Sir Clough Williams-Ellis.

BBC: ?8.4m Snowdon summit cafe opens

Maybe because I think about things like paragraph structure and rhetoric a lot, having this in the opening paragraph is key.

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From their barrel-like structure, it is tempting to think that vaults could serve as containers for other molecules opening up into flowers when their cargoes need to be released.

ECONOMIST: Cell biology: The secret of the vaults | The