阐述特征技术基本概念，提出基于特征的箱体零件信息描述方法。
Some basic concepts about the feature technique are expounded, information description method for box part based on feature is presented.
还讨论了特征的定义、特征形面的分类以及零件信息描述体系的数据结构。
It also discussed the definition of features, group of characteristic profiles and the data structures of the describing system.
文章提出了形状特征的分类原则，并以回转体类零件为例，介绍了零件信息描述的过程。
In this paper, we designed the classification rules of surface feature, then illustrated the process of part information describing for an example of rotating parts.
介绍了一种基于机械工程图的零件信息描述的方法单元型面描述法，并给出了一个应用实例。
Taking a stepped shaft as example, the paper shows the part information expressed with the part description model based on ontology can describe the part rationally and effectively.
该方法基于“特征”而构造了一套零件信息描述体系，包含了零件全部的几何信息和工艺信息。
The information describing system is configurated based on part features, which consists of all geometrical and technological informations of the part.
目前大多数商用CAD系统缺乏零件的制造信息，而且许多实验系统所进行的零件特征描述亦存在较大局限性。
At present most of commercial CAD systems lack manufacture information of components. and many experiments about feature description of components exist more limitation.
介绍了一种综合运用GT代码法与形素描述法输入零件图纸信息的方法。
The paper introduces a method for making use of shape describing language and GT code to input information of parts.
它把描述零件的信息分为三个层次：零件的总体描述层、零件的语义层和零件的几何层。
The information describing part are divided into the overall specification, the semantic information and the geometric information.
用规则消解工艺冲突，用框架知识描述零件特征、几何尺寸和工艺信息等。
The process conflict is eliminated by the rule to implement the causal process. The character, geometry size and process information etc of parts are described by frame knowledge.
以某阶梯轴为例，表明利用基于本体的零件描述模型对零件信息进行表达，可以更加合理有效地描述领域本体知识库中的零件信息。
Taking a stepped shaft as example, the paper shows the part information expressed with the part description model based on ontology can describe the part rationally and effectively.
基于模型的定义(MBD)是用来描述除了三维模型外本身之外的信息，比如说表示零件和装配的完整定义。
Model Based definition (MBD) is a term used to describe the addition of information to the 3d model such that the model can represent the complete definition of parts and assemblies.
最后本文介绍了以这种描述方法为依据所开发的交互式零件信息输入系统。
An interaction system for part information input based on the description methodology is also introduced.
通过研究引信和钟表小轴类零件基于知识和实例的表示方法，建立了面向对象的零件几何、工艺特征信息描述方法。
Studying representation method of fusee and small spindle part of the case-and-knowledge-based, the described method of objected oriented of geometry feature and process feature information is built.
通过对零件信息的描述与输入技术的分析，采用了基于特征拼装的计算机绘图与零件信息的描述与输入方法。
Through analyzing the technology of the information description and input methods, it uses the characteristic assembling computer design and parts description and input methods.
对零件信息的描述过程就是零件模型的建立过程。
The description process for part information is the establishing process for part model.
本文以制造知识中几何知识为例，从描述复杂度和信息量的角度，给出了机械加工零件几何知识计量的一般计算方法。
From the description of complexity and the information facts, has produced the general computational method on geometry knowledge measurement of mechanical component.
采用型面特征描述法完成箱体形零件信息的描述与输入。
The shape feature method is applied to portrayal and input box-type parts information.
在零件特征建模部分，用特征来描述零件信息。
Since parts information can be described entirely by feature, feature plays an important role in the modeling.
本文叙述交互式三维机械零件图信息输入处理系统GEOCORE的图形信息描述方法和数据表达模型。
The input describing method and representing model adopted in a detail drawing information input processing system(GEOCORE) for 3-dimensional mechanical parts are proposed.
本文叙述交互式三维机械零件图信息输入处理系统GEOCORE的图形信息描述方法和数据表达模型。
The input describing method and representing model adopted in a detail drawing information input processing system(GEOCORE) for 3-dimensional mechanical parts are proposed.
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