CAD(Computer Aided Design) and CAE (Computer Aided Engineering)is crucial methods for innovative design. Their application inengineering design has improved the quality of design greatly ,shortened the design cycle and reduced the cost.

• 计算机辅助设计(CAD)和计算机辅助工程(CAE)是实现创新设计的关键手段,它在工程设计中的应用大大提高了设计质量,缩短了设计周期,减少设计费用。