分布式多层结构是应用系统开发不可避免的趋势，而计算机及其网络的安全问题又是一个极其重大的问题。
To develop the distributed multiplayer structure is a must for the application system and the security of computer and network is a big problem.
分布式多层架构是目前企业构建大型应用系统所首选的结构，开发分布式多层架构的焦点集中在中间层。
The distributive multi-layer architecture is now considered an optimum choice by companies structuring large-scale systems and its development focuses on the middle layer.
它以CORBA为核心技术，采用多层分布式的体系结构、面向对象的设计。
It takes CORBA as the core technique, adopts multi-layer distribution system structure and the design facing to the object.
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