Thero, under the background of the development of an electronic commerce system, the modeling process of electronic commerce system and key techniques based on UML are described in detail.

对UML的建模原理作了系统的介绍，然后以电子商务系统的开发为背景，详细的阐述了基于UML的电子商务系统建模过程和关键技术。

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After analyzing Cluster techniques and N-tier architectures, the paper describes in detail the construction technologies and methods of Cluster and N-tier architecture electronic commerce systems.

本文在分析机群技术和N层软件体系结构的基础上，介绍了基于机群和N层体系结构的电子商务系统构建技术和方法。

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This thesis discussed in detail of the process of trustful E-commerce system based on SSL protocol, and discussed the realization of safety gateway server.

本文还论述了基于SSL协议的可信电子商务系统的开发过程，并对安全网关服务器的实现进行了详尽的阐述。

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The decision hinges on the extent of the Commerce Clause, which gives Congress the power to regulate interstate commerce but not every detail of economic life.

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