In the largest Dallas communities, some individuals were buried in the earthen mounds that served as sub-structures for buildings important to civic and religious affairs.
在达拉斯最大的社区中，一些人被埋在土堆中，这些土堆是对市政和宗教事务很重要的建筑物的子结构。
2
Based on the concept of dynamic sub-structures, the synthesis method in step-by-step is put forward.
基于动态子结构的概念，提出了逐步模态综合法。
3
This paper analyses the constitution, semantic representation and usage of middle constructions, which are divided into some sub-structures.