【摘要】 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。更多还原

【Abstract】 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.更多还原