In current commercial feature modelling systems, support for direct manipulation of features is not commonly available.
在当前商业的特征模型系统中，对特征模型直接操作还没有得到广泛的应用。
This paper presents the generation background of feature technology and the related concepts and methods of feature modelling.
本文介绍特征技术产生的背景和特征建模的有关概念与方法。
Unified feature modelling technique is a hybrid of feature based design and feature recognition. In design stage, a part is described by initial features with four information models.
一元化特征建模技术融特征设计和特征识别两者为一体，设计阶段的初始设计特征进入应用领域后，经过特征识别器形成领域专用特征。
The message set feature (providing message modelling) of message Broker cannot specify a length smaller than a byte for any individual item of data.
messageBroker的messageset特性(提供消息模型化)无法为数据的任何单个项指定小于一个字节的长度。
A new modelling method-shape surface elemental feature is created.
并提出了形面要素特征建模方法。
The modelling is based on part feature, its geometry and process information are from the manufacturing requirement.
该造型的特点一是基于特征，其几何信息和工艺信息主要从制造要求出发；
Parametric feature-based modelling is a new, fast modelling technique.
基于特征的参数化几何造型是一种新型、快速的造型方法。
The most conspicuous feature of his art works is the modelling of a sense of "expansion".
他的作品最鲜明的特征是对于“膨胀”这种感觉的造型。
And various methods of modelling, that is, contour maps, engineering maps with surface feature symbols, 3 D contours and realistic maps are given.
给出了平面等高线地形图，带地物符号的工程地形图，立体等高线图及逼真地形图等多种造型方法。
And various methods of modelling, that is, contour maps, engineering maps with surface feature symbols, 3 D contours and realistic maps are given.
给出了平面等高线地形图，带地物符号的工程地形图，立体等高线图及逼真地形图等多种造型方法。
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