The operational intention pledge of collaborative CAD system is a complicated and crucial issue, its study possesses a challenging character.
协同CAD系统中的操作意愿保证是一个复杂而又关键的问题，其研究具有挑战性。
An incremental transmission algorithm based on 3d facet model is given, which is widely used in the central collaborative CAD system with thin clients.
针对集中式协同CAD系统的瘦客户端模式，给出了三维面片模型的增量传输算法。
The development of product collaborative design system should combine with the mainstream technology and take account of the traditional CAD system and the reuse of history data at the same time.
产品协同设计系统的开发不仅要结合当前主流技术应用，同时需要兼顾传统CAD系统及历史数据的再利用问题。
The commercial CAD system can't support collaborative creation thinking of designer in the early days of product development.
成熟的商品化CAD系统不能支持设计师在产品开发早期的协同性创造思维。
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。
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。
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