Problems about input of vehicle body CAD data are expounded and the front windscreen data automatic input and the graphic formation are realized, resolving a major problem for the CAD system.
论述汽车车身CAD中有关数据输入的问题，实现了前挡风窗玻璃的数据自动输入及图形生成等功能，从而为该CAD系统解决了一道难题。
The method for the graphic input in a laser-induced thermal etching system and writing device is described.
介绍了激光蚀刻、书写设备中的图形输入方法，着重讨论了图像预处理、直线段识别和圆弧识别的数学方法。
The main point in system design includes:(1) The graphic editor part provides a convenient and powerful graphic editor system which includes graphic input, edit, output and display.
图形编辑部分，提供了一套功能强大、操作方便的图形编辑系统，主要包括了图形的输入、输出、编辑和显示。
The main point in system design includes:(1) The graphic editor part provides a convenient and powerful graphic editor system which includes graphic input, edit, output and display.
图形编辑部分，提供了一套功能强大、操作方便的图形编辑系统，主要包括了图形的输入、输出、编辑和显示。
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