(一)计算机辅助设计的现状和特点计算机辅助设计,顾名思义,就是用计算机来帮助人们进行产品设计。由于产品设计包含确定初方案,计算分析,优化选择设计方案,绘图以及试制、试验等阶段,因此,从狭义来说,用计算机帮助完成每 (A) the status and characteristics of computer-aided design Computer-aided design, as the name suggests, is to use computers to help people design products. Because the product design includes determining the initial plan, calculation and analysis, optimization and selection of design plans, drawing and trial, testing and other stages, therefore, in a narrow sense, the use of a computer to help complete each