As precision and efficiency are the bottlenecks that restrain the development of rapid prototyping technology (RPT), the enhancement of precision has become one of the focuses in the studies on RPT.

• 摘要精度和效率是制约快速成型技术发展的瓶颈，如何提高快速成型制件的精度已成为快速成型技术研究的热点问题之一。