The r ( b ) zone in butterfly beach also faces the problem of engineering constraints of constructing a barrier near the interchange 在蝴蝶湾的住宅(乙类)地带内,若在交汇处附近建设屏障,亦会受到工程限制。
Besides geometry information design solution includes product functional requirements , engineering constraints , design experiences and rules and so on 除了几何信息以外,设计结果还包括产品功能需求、工程约束、设计经验和规则等。
Engineering constraints and parametric design theory are investigated , the 3 - dimodeling solid modeling techniques are used for design of deep groove ball bearing with i - deas 摘要参数化设计作为现代的一种重要手段被越来越多的工程设计人员应用和研究。
However , due consideration must also be given to other important factors including impacts on the village settlements , railway safety and engineering constraints 可是,与此同时,公司亦须考虑其他重要因素,包括定线对民居的影响、行车安全,以及工程上的限制等。
Chapter 2 presents the assembly model layer level representation in vrml environment , points out assembly information distribution on the layer levels of this model . on the basis of the work , it introduces assembly semantics embracing engineering constraint and assembly handling , giving assembly semantics a formed definition and layer level representation 第二章提出了在vrml环境下产品装配模型的多层次表达,指出了装配信息在装配模型中的分布层次;在此基础上,从装配操作的基本特点入手,介绍了涵盖设计工程约束、装配操作在内的装配语义概念;提出了装配语义的工程定义及装配语义的层次表达。