Spatial data model is the core and base of three dimensional geographic information system design.
空间数据模型是地理信息系统设计的核心和基础。
In this paper, summary to the question that the layout design of the Storage Logistics System, we develop one simple, effective Simulation System with three-dimensional technology.
本课题针对仓储物流系统的规划设计所存在的问题，利用三维仿真技术，开发一种简单，有效的仓储物流仿真系统。
In this dissertation, networked information releasing technology was applied to part design in CAD system, brought forward a new three dimensional modeling method by networked parameter drive.
本文将网络化信息发布技术应用于CAD系统的零件设计，提出了通过网络化参数驱动建立三维模型的新方法。
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