TOP structure的用法和樣例：
例句
- The design of the body frame topologic structure is presented, using FEM-based topological optimization technique.
摘要利用基於有限元法的拓撲優化技術設計車身大骨架的拓撲結構。 - Duality principle is a powerful tool for the analysis of topological structure of power electronic circuits.
對偶原理是分析電力電子電路拓撲結構的有力工具。
