The topic of future of file-less CAD systems is important, in my view.
我觉得，未来非文件化的CAD系统这个话题很重要。
Commercial CAD systems in general offer the simple filled patterns.
一般的CAD系统只能制作简单的填充符号模式。
Interactive CAD systems have to allocate and deallocate memory frequently.
交互型CAD系统得频繁的分配与释放内存。
This paper expounds the necessity of data transfer among different CAD systems.
本文阐述了在不同的CAD系统之间传送数据的必要性。
The success of CAD systems is becoming more dependent on the efficient drafting.
cad系统的成功在很大程度上取决于草图的制图效率。
Additionally, PATRAN provided a direct link to the geometry kernels of various CAD systems.
此外，PATRAN提供了一个直接联系的几何内核的各种CAD系统。
UDF and singular feature exchange among heterogeneous CAD systems are researched in this paper.
本文对异构CAD系统之间的用户自定义特征和奇异特征交换进行研究。
Last month on ACE 2011, Aras, presented the integration strategy, which included CAD systems as well.
上个月在2011度ace大会上，Aras介绍了一些集成方案，其中也包括CAD系统。
The key to achieve it is the integration of information and that of functionality of CAD systems.
要达到这一点，关键是CAD系统的信息集成化和功能集成化。
In the beginning, CAD systems were no more than graphics editor with some built-in design symbols.
开始，CAD系统仅仅是一个带有内置设计符号的绘图编辑器。
We have also integrated document administration and third-party CAD systems within the IDES system.
在IDES系统中，我们同样有着综合性的文档管理，及第三方CAD系统。
Therefore the study on integrated and intelligent CAD systems has become the trend in design field.
因此，对集成化、智能化CAD系统的研究，已经成为设计领域的发展趋势。
In addition, existing CAD systems do not provide any explanation about how they came to their conclusions.
除此之外，CAD系统无法就如何得出诊断结论给出明确的理由与解释。
With the wide spread of Internet, collaborative design system comes to be one of the hotspots of CAD systems.
随着网络的普及，协同设计逐渐成为CAD系统的热点之一。
The connection between dual kinds of heterogeneous CAD systems and the FEA auto-modeling system was realized.
实现了多个异构的CAD系统与有限元自动建模系统的连接。
Starting from the early beginning, CAD systems relied on files and folders to save information in computer systems.
刚开始，CAD系统依赖于文件和文件夹方式来将信息存放在计算机系统里。
To resolve these shortages of present CAD systems, studied a pen-input CAD system which is to support conceptual design.
针对当前CAD系统的不足，提出对于支持概念设计的笔式CAD系统的研究，并探讨实现这样一个系统的问题及解决。
Wide adoption of CAD system created a crappy problem - what to do with all CAD files and other information CAD systems produce?
CAD产品的广泛应用带来了一个尴尬的问题——如何应付这么多CAD文件和其他CAD系统处理的信息？
The processes of panel designing and manufacturing make extensive use of CAD technology, different departments may use different CAD systems.
覆盖件设计和制造过程中大量运用了CAD技术，不同部门还可能使用不同的CAD系统。
The latest CAD systems also provide the tools that are needed to prepare permit packages, plot layouts, bills of material and final drawings.
最新的CAD系统还能提供准备可用包装，设计图的绘制，材料清单以及最终图纸的工具。
Engineering drawing recognition technique aims at converting scanned engineering drawing images into vector formats compatible with CAD systems.
该技术旨在将扫描的工程图像转换为与CAD系统相兼容的矢量数据格式。
The successful application of XML to Internet is well exampled to the description of CAD information and data exchange in different CAD systems.
XML技术在互联网上的成功使用，为实现产品信息描述以及信息跨平台交换提供了一个独特的方法。
All sorts of different CAD system has its own data format of memory graphics, mutual exchange of graphical data is difficult between CAD systems.
各种不同的CAD系统都有其特殊的存储图形数据格式，各CAD系统间难以相互交换图形数据。
The present popular CAD systems can deal with CMM data to some extent, such as: delete noisy points, rebuild symmetrical benchmark, data combination.
目前流行的CAD系统具备一定的数据预处理功能，如：去除明显噪音点、对称基准重建、重定位整合等。
And, MDT can open IGES and STEP file of other CAD systems. In this way, the drawing can realize the abstraction of information too in MDT in other CAD.
并且，MDT能导入其他CAD系统中的IGES和STEP图形文件，这样，其它CAD中的图形在MDT中也可以实现图形信息的提取。
The intelligent CAD system for hydraulic systems used in machine tools is a re-development of CAD systems based on SGI workstation and I-DEAS software.
本文就机床液压智能CAD系统的几个关键问题进行了研究，主要是在SGI工作站和I -DEAS软件平台上对CAD系统进行了二次开发。
Some modular fixture CAD systems developed by authors have been presented. An automated modular fixture configuration design systems has been proposed.
介绍了由本文作者开发的组合夹具CAD系统的实例，提出了组合夹具结构自动生成的原理和模型。
Currently, feature is employed by most of the parametric solid modeling systems which are the kernel modeling system of the network-centric CAD systems.
目前网络CAD系统的核心造型系统大多是基于特征的参数化造型系统。
CAD data exchange among different CAD systems often accompanied by the formation of various defects which seriously affect the following design and production.
CAD数据在不同CAD系统中传递时，时常会伴随着各种缺陷的产生，严重影响后续设计和生产的进行。
CAD data exchange among different CAD systems often accompanied by the formation of various defects which seriously affect the following design and production.
CAD数据在不同CAD系统中传递时，时常会伴随着各种缺陷的产生，严重影响后续设计和生产的进行。
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