Small world model provides a new aspect and method for exploring the topological structure and intrinsic characters of urban road network.

小世界模型为研究城市道路网络的拓扑结构和内在特征等提供了新的视角和方法。

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Combining scientific discovery principles and graph theory, key notes with structure characters and cited frequency are provided to explain the relevant information of the network.

结合科学发现原理和图论的知识，选取有结构属性的关键节点、被引频次等参数来解释图谱网络中的相关信息。

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Part two analyzes the economics characters of the telecommunication industry including the nature monopoly structure and industry chains (network and service).

第一部分为引言，第二部分首先分析了电信业的经济特性，包括自然垄断性和产业链(网络层和服务层)的特点。

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