First of all is the brief presentation of the basic theory frame of the Virtual Prototype, and the significance and development of VP technology in china and aboard are also related .

• 首先介绍了虚拟样机技术的基本理论框架，回顾了国内外在此方面的研究现状和发展趋势，论证了将虚拟样机技术应用于液压挖掘机设计的必要性。