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首先介绍传统的两层结构和新兴的三层结构的特点 ,然后介绍Internet/Intranet环境下的多层应用系统结构 ,最后讨论实现这种多层应用系统结构应注意的几个问题。
Firstly, the characteristics of the traditional two-tier architecture and the emerging three-tier architecture are introduced. Then, the architecture of the multi-tier application system in the Internet / Intranet environment is introduced. Finally, several problems that should be paid attention to in order to realize the multi-tier application system architecture are discussed.