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本文分析了手绘工程图纸与ＣＡＤ／ＣＡＭ系统的输入接口之间的矛盾及工程图纸处理的特点，简介处理的基本过程和方法，综述工程图纸自动输入处理技术研究的现状和动向。
This paper analyzes the contradiction between the hand-drawn engineering drawings and the input interface of the CAD / CAM system and the characteristics of the engineering drawings. It also introduces the basic processes and methods of the engineering drawings, and summarizes the current situation and trends of the research on the engineering drawings of the automatic engineering drawings.