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针对现有的基于历史信息预测的机会网络路由算法(history based prediction for routing in infrastructure-less opportunistic networks,HBPR)在归属位置单元表更新阶段存在的开销冗余和消息转发阶段存在中继节点选择不合理等问题,提出了1种基于社会关系的低时延机会网络路由算法(a low delay routing algorithm for opportunistic networks based on social relati