This article provides a series of typical control functional modules, which can be easily used to analyze and design any complex automated process engineering.
给出了一系列典型控制功能模块，可以方便地运用这些典型功能模块来分析、设计任一复杂的自动化工艺过程。
The design related tasks performed by a CAD system are Geometricmodeling, Engineering analysis, design review and evaluation, Automated drafting.
由CAD系统完成的设计工作包括几何模拟、工程分析、设计修改与评估、自动绘图。
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