在一个更低的层次上，重复着同样的逻辑结构(或者结构模式)。
The same logical structure (or structural pattern) is then repeated at a lower level.
固定在建筑结构上的管道支，吊架，不得影响结构的安全。
Fixed in the building structure pipe, hanger, shall not affect the safety of the structure.
并在大系统递阶控制结构的基础上，构建了模型体系的多级控制结构。
The multi-level control structure is also established on the basis of hierarchical control structure.
HM版的框架结构复杂而富有逻辑，上教版的框架结构较简单；
HM's framework is complex and full of logic, SHE's framework is simpler;
HM版的框架结构复杂而富有逻辑，上教版的框架结构较简单；
HM's framework is complex and full of logic, SHE's framework is simpler;
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