This paper presents a new method named "multilevel logic optimization for area" which aims at the area of the subject-graph.
该文针对主题图面积的优化问题，提出了“多级逻辑面积优化”设计方法。
2
A modeling method for structural multileveloptimization is developed in this paper, an example of application is also presented.
基于层次型结构多级优化模型，提出了结构多级优化建模的一般方法，给出了一个应用实例。
3
The stability of ship deck grillage is analyzed by means of transport matrix technique and minimal weight of the structure is obtained with multileveloptimizationmethod.