At first, this thesis introduces the VLSI physical design process, based on this leads to the rectilinear Steiner tree problem.
本文首先介绍了超大规模集成电路的物理设计流程，在此基础上引出直角斯坦纳树问题。
This thesis illustrates the key techniques and realizing technology on the process of system development and Tree of Assembly, database design, drawing browsing, file transfer, popedom management etc.
本文论述了本系统开发的流程和图档装配树、数据库设计、图纸浏览、文件传输、权限管理等关键技术和实现方法。
The system manage design process of a product with project mode, and can establish and manage function-means tree, product tree and design matrixes to store structurized design data.
系统以工程形式来管理一个产品的设计过程，能够创建和管理功能方法树、产品结构树，建立设计矩阵，结构化存储设计数据。
The idea of designing tree and classifier designer are proposed to control the design process of decision tree and de-sign the classifier of the node of decision tree.
提出设计树和分类器设计器的概念，分别用于决策树设计过程的控制和决策树节点中的分类器的设计。
The design process can be described by decomposition tree.
设计过程由分解树来描述。
The extended-feature information model is constructed on the encapsulation of design knowledge and the extended-feature. Based on this model, CSG tree method is used to describe the design process.
通过对设计知识与广义特征的封装，构建了广义特征信息模型，在该模型基础上用CSG树的方法表示了设计过程。
A mixed way with type, variation and mutual has been adopted to design product in the system and the process is managed by the tree structure of product.
系统采用混合工艺设计的方法，即综合运用典型、变异和交互式设计，以产品结构树的形式进行工艺管理。
A mixed way with type, variation and mutual has been adopted to design product in the system and the process is managed by the tree structure of product.
系统采用混合工艺设计的方法，即综合运用典型、变异和交互式设计，以产品结构树的形式进行工艺管理。
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