查询词典 CAD

Research on development methods and application of CAD system of prac tical sheet metal expansion ;2. A frame expansion method of operator is used to the phase shift operator of split-step Fourier propagator.

针对裂步Fourier传播算子在速度强横向变化介质中的不足，将算子的框架展开方法应用于Fourier传播算子中的相移算子，提出了一种波场传播的局部裂步Fourier传播算子，并把它应用于波动方程叠前深度偏移成像。

A 360?broad-band analog phase shifter is designed by means of CAD.

摘要该文介绍了宽频带360°模拟移相器的设计理论。

The design and implementation of a knowledge-based CAD system for residence sketch plan are presented.

本文介绍了一个基于知识的住宅方案计算机辅助设计系统的有关理论、方法及执行技术。

Solano L%Brunet P Constructive constraint-based model for parametric CAD system 10.1016/0010-4485(94)90104-X Computer-Aided Design , 1994,8

刘雄伟%郑海波%屠晓明参数化特征造型中拓扑结构变异的一种解决方法计算机辅助设计与图形学学报， 2001，3

Three dimension metal plastic deformation of special shaped products was transformed into two dimension axis symmetry problem, analysis model of the continuous stream and strain rate fields were sough.

将三维金属异型材挤压塑性成形问题转化为二维轴对称成形问题，求解椭圆异型挤压金属塑性成形连续流动场和应变速度场的数学解析模型，并应用金属塑性成形理论，建立了精密挤压异型材优化模腔的数学模型，同时为精密快速地实现挤压模腔的CAD/CAM一体化目标提供了技术支持。

Objective: To evaluate the safety of aspirin in CAD patients with coronary spasm.

目的：探讨阿司匹林在存在冠脉痉挛的冠心患者中应用的安全性。

You will have a separate copy of the spooler for each plotter that is directly connected to your computer.

每个假脱机系统程序都可通过若干 CAD 工作站共享于网络之中，并且他们能提供相同的精度校正。

Transmission parts mainly include gear motor, sprocket wheel, gear, rack, coupler and transmission axle. Gear motors incorporate electromechanical combination module technology and are CAD designed, which are widely applied for metallurgy industry, mine, construction and printing industries.

传动类产品主要分为齿轮电机、链轮、齿轮、齿条、联轴器、传动轴等，其中齿轮电机产品均采用机电模块组合技术及计算机辅助设计，广泛应用于冶金、矿山、建筑、印刷等领域。

The characteristics of cold precisions forging of floating cavity die which refers to spur gear was discussed in this paper.

分析直齿圆柱齿轮浮动凹模冷精锻工艺的特点，在该工艺基础上开发出了直齿圆柱齿轮的CAD/CAPP系统。

A CAD tool based on a group of efficient algorithms to verify,design,and optimize power/ground networks for standard cell model is presented.

它应用了一系列高效的算法，为用户提供了电源线/地线网络的设计、优化和验证的功能。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失