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应用系统工程的网路拓扑设计及优化，探讨快速干线网结构，提出快递邮件骨干点及骨干点间航空网的星状网及复合网的结构形态，明确与普件网路的衔接和协调比例，确定普通邮件干线总包转口局，为邮政通信快速网的在设提供依据。
The design and optimization of network topology based on system engineering are carried out to discuss the structure of fast trunk network and the structure of star network and composite network of express mail and backbone network and express network connection and coordination ratio , Determine the general mail trunk total re-export office, to provide the basis for the establishment of postal communications fast network.