TOP structure的用法和样例：
例句
- The design of the body frame topologic structure is presented, using FEM-based topological optimization technique.
摘要利用基于有限元法的拓扑优化技术设计车身大骨架的拓扑结构。 - Duality principle is a powerful tool for the analysis of topological structure of power electronic circuits.
对偶原理是分析电力电子电路拓扑结构的有力工具。
