structure sheaf的用法和樣例：
例句
- The important degree of various factors is dissimilar for different additional stress of pavement structure.
對不同的路面結構層底附加應力，各因素影響顯著性程度不一樣。 - The displacement and acceleration of multistory frame structure are well restricted, and the control of interbedded acceleration is better than that of interbedded displacement.
而且對結構層間加速度的控制比對層間位移的控制要更為優越。
