Rather than store data in rigid structures like tables, they store data in loosely defined documents.

与在类似于表的固定结构中存储数据不同，面向文档的数据库在松散定义的文档中存储数据。

youdao

The problems of stationary random responses of stochastic rigid structures are studied.

文中研究了随机刚架结构的平稳随机响应问题。

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So considering the influence of soil-structure interaction in seismic response analyzing is necessary for the tall or more rigid structures established on the thick soil ground foundation.

因此，对于建立在深厚非基岩地基土上的较高或刚度较大的高层建筑，抗震分析时考虑土-结构相互作用的影响是必要的。

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Such rigid structures were causing teachers to lose their professional pride and feeling of autonomy.

BBC: English 'losing out' to literacy

To justify these solutions, the team's next step is to perform studies comparing inflatable and rigid structures for crew habitats.

ENGADGET: NASA develops inflatable lunar habitat

But what does entrepreneurial marketing look like in big, complex organizations with silos, hierarchies and rigid structures built-in for decades?

FORBES: Creativity At Market Speed