The principal functions and tendencies of three typical emergency assessment and decision making support system:RODOS,WSPEEDI and ARAC are introduced mainly. The important role of advanced computer technologies in consequence assessment is emphasized.

• 重点介绍了世界上具有代表性的 3个事故应急评价与决策支持系统 :RODOS、WSPEEDI、ARAC的基本功能和新动向 ,强调了先进计算机技术在后果评价中的作用。