结构化P2P网络的资源定位算法采用的是分布式哈希表（DHT）算法，根据精确关键字进行资源的定位与发现。

Resource locating algorthim in the structured P2P Network adopts algorthim based on DHT which locates resource by key words.

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传感器网络由于资源受限，定位算法需要综合考虑定位精度，网络构建成本，通信、计算开销等多方面因素。

Because of restricted resources, localization algorithms in wireless sensor network need to consider location accuracy, price of network and costs of communication and computing in general.

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算法在实现分簇、增加系统可靠性的同时，最大限度地降低了对资源的使用，满足了定位精度的要求。

The algorithm achieves clustering, increases the system reliability and reduces the use of resources, meets the location accuracy requirement.

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