计算机辅助设计

Based on hammer and hydraulic press free forging process, computer-aided free forging process planning software system has been developed.

本文针对锤上和水压机上自由锻工艺过程研制开发出《自由锻工艺过程计算机辅助设计软件系统》，文中介绍了该系统的基本原理、功能及特点。

Labeled transition system is a formalism that is widely used in the literature of computer-assistant design and verification.

标记迁移系统是一种在计算机辅助设计和验证中得到广泛使用的形式模型。

ABSTRACT On the base of building geometric figure model of the products produced by cross wedge rolling constructed be solid modeling, the ...

在建立了以体素法构造楔横轧件图形模型的基础上，完成了楔横轧件的计算机辅助设计。

ABSTRACT On the base of building geometric figure model of the products produced by cross wedge rolling constructed be solid modeling, the computer aided design of the products have been completed.

在建立了以体素法构造楔横轧件图形模型的基础上，完成了楔横轧件的计算机辅助设计。

NURBS has become a representation standard for geometric design systems since 1990.However, it is difficult to model complicated objects with only one NURBS surface patch due to its rectangular domain, and it still suffers from serious limitations in surface stitching.

九十年代以来，NURBS曲线曲面已经成为计算机辅助设计系统的表示标准，由于NURBS曲面定义在矩形域上，难以直接用一张NURBS曲面来整体表示复杂曲面，需要采用分片构造的方法才能达到目的，使得拼接边界处的光滑性也受到了严重限制。

Basing on the finite element geometrical model of body framework for the passenger car that is satisfied with the need of the strength and the stiffness, and Using method of model data transform which talked before, the passenger car body modeling is built.

针对满足车身骨架强度和刚度要求的某客车车身骨架有限元几何模型，采用所阐述的模型转化方法，并结合现代计算机辅助设计的方法和手段，实现了基于模型数据转化的客车车身造型。

Objective: To develop and validate an accurate three-dimensional geometrical and mechanical finite element model of the lumbar L4-L5 segment using a new computer-aided designing method.

目的：采用一种新型计算机辅助设计方法精确建立腰椎L4~L5节段三维非线性有限元模型并进行充分验证。

Based on the MDT of AUTOCAD the 3-D solid CAD software for the gear hob has been designed in this paper.

介绍了在MDT上实现齿轮滚刀的三维实体的计算机辅助设计的方法。

This work is valuable to enhance the CAD level of sock pattern design and productivity of a computerized hosiery machine.

研究成果对于丰富袜品花型的计算机辅助设计，提高电脑袜机的生产效率具有实用价值。

Abstract〕Objective:To develop a new method of computer aided design of veneer on maxillary incisor.

摘要〕 目的：尝试上颌中切牙贴面计算机辅助设计方法。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了