基础下部组织

例句：

1. 1. The structure of the building is very important for its stability.
   这座建筑的结构对于其稳定性非常重要。
2. 2. The basic structure of the software is designed to be user-friendly.
   这款软件的底层结构设计得非常用户友好。
3. 3. The foundational principles of this theory are crucial for understanding its implications.
   这一理论的基础原理对于理解其含义至关重要。