While, increased a small portion of road capacity in the minimum spanning cluster is effective in improving local traffic congestion.
而提高最小支撑聚类上的一小部分路段能力就可以有效改善局部交通拥堵；
The proposed localization algorithm first generates clusters and a spanning tree consisting of cluster heads, and then the cluster head computes local coordinates of all member nodes in the cluster.
着重设计了一种基于二跳生成树的可扩展分簇定位算法。首先对传感器网络进行分簇、并利用簇头节点构造一个二跳生成树；
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