Through the research and analyzing of the 2D CAD system, the article expounds some noticeable issues during design such a high performance graphic system, and put forward several applied and effective optimize method, combined with partial instance, this paper discusses what advance those method could bring.%通过对二维CAD系统的显示管理的分析与研究,阐述了在进行高质量图形显示系统的设计时应该注意的问题,并且提出了一些实用、有效的优化方法,结合部分实例,详细分析了这些优化方法所能带来的CAD系统性能的提升
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