topologic

The design of the body frame topologic structure is presented, using FEM-based topological optimization technique.
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。
"Levels-tree" is to be used to maintain the six group topologic structures dynamically.
引入“层次树”来动态维护这六组拓扑结构。
This paper studies the component elements of county area and its topologic structure , dissipative structure and fractal structure .
着重研究了县域生态—社会系统的组成元素和它的拓朴结构、耗散结构和分形结构；
Combined with Lagrange multiplier method, a new continuum structural topologic optimization method is proposed.
结合拉格朗日乘子法，形成了一种新的连续体结构的拓扑优化方法。
The paper builds up a topologic model and studies on the change of land tenure system in China from peasants' cognition.
本文通过建立农地制度拓扑模型，从农民认知视角对我国农地制度变迁进行分析。