线裁剪技术在计算机图形处理中占有重要地位，是计算机图形学中许多重要问题的基础，关于线段的二维裁剪有许多成熟的算法。
The technology of line clipping plays an important role, and is a foundation of many important problems in the computer graphics process. There are a lot of good algorithms about a line clipping.
二维布尔运算是计算机图形学中的基本算法。
The Boolean operation is a primary algorithm in computer graphics.
随着以计算机图形学为主要基础的CAD/CAM的迅猛发展，要求工程图学教育进行二维设计与三维设计并重的双重培养。
The rapid development of CAD/CAM based on computer graphics, the education of engineering graphics should pay attention to the culture of 2D design and 3D design.
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