在过去，当分布式网络、软件工程和嵌入式系统的性能不成熟时，传统的产品开发集中在主要通过硬件来交付服务。
In the past, when distributed networking, software engineering, and embedded systems capabilities were immature, traditional product development focused on delivering services primarily via hardware.
目前智能分布式应用系统需求日益增强，对这类系统的开发是现阶段软件工程面临的一个巨大挑战。
Requirement of intelligent and distributed application system is increasing at present, but it is a great challenge to develop the kinds of system in current software engineering.
为了在工程中方便的使用分布式对象技术，应采用软件工程的方法对系统进行分析和设计。
In order to applying distributed object technology in projects, it is necessary to analysis and design system with the software engineer method.
接着介绍了在系统开发中用到的分布式数据库技术的理论和软件工程理论；
Second, it introduces the related theory of the distributed database system and software engineering used in the project.
从软件工程的角度分析，数字图书馆实质是一个分布式管理信息系统。
From the point of view of software engineering, digital library is a distributed management information system.
提出了一种基于功能块模型、结合软件工程方法构建分布式IPMCS的策略并作了分析。
A strategy of structuring distributed IPMCS based on functional block model and combining with software engineering method is stated and analyzed.
提出了一种基于功能块模型、结合软件工程方法构建分布式IPMCS的策略并作了分析。
A strategy of structuring distributed IPMCS based on functional block model and combining with software engineering method is stated and analyzed.
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