The scheme firstly builds a distributed hash table based on the physical topology of network, so that the topology mismatch problem of conventional DHT schemes can be eliminated.

首先直接基于网络的物理拓扑结构来构建一种分布式哈希表，从而有效地消除了现有DHT方案的拓扑结构不匹配问题。

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In the peer-to-peer network based on Distributed Hash table (DHT), the structure of routing table impacts the efficiency of searching keywords.

在基于分布式哈希表构造的对等网络中，路由表的结构影响关键字的查询效率。

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DHT (Distributed Hash Table) search algorithms is mainly adopted in the structured P2P network, it works fast and efficiently, but it is also limited by the network topology structure;

结构化P2P网络中主要采用分布式哈希（DHT）搜索算法，它查找速度快、效率高，但受网络拓扑结构的限制其应用有限；

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