• 1. Infrastructure E Systems: 基建系统
• 2. Infrastructure e Systems and Management: 基础设施系统和管理

• 1.This dissertation introduces IEEE Std 802.16a and broadband wireless systems(BWS), Mobile E-business system infrastructure development based on IEEE 802.16A for BMAN is introduced too.
  文章首先介绍了IEEE 802.16a协议和无线宽带城域网系统结构，并对基于此协议的无线宽带城域网络移动电子商务系统结构进行了研究。
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