第1个回答 2009-08-23
Clear levels of network(网络层次清晰化)
Flat network architecture(网络结构扁平化)
Differences in network quality of(网络质量差异化)
Centralized management and control(管理控制集中化)
第2个回答 2009-08-23
Clear the network level, the flat network architecture, network quality differences, and centralized management control本回答被提问者采纳
第3个回答 2009-08-23
Clear the network level, the flat network architecture, network quality differences, and centralized management control