First, the background of distributed application system is introduced, and the technology of distributed object and three main standards are summarized especially the architecture of CORBA, ORB and IDL.

• 首先介绍分布式应用系统的研究背景与意义、对分布式对象技术及其三个主要标准作了总结，其中详细讨论了CORBA的体系结构、ORB、IDL语言和服务。