Objective To observe the expression of hypoxia inducible factor-1α (HIF-1α) in the retina of rabbits with acute high intraocular pressure and to investigate t
The aircraft industry is crucial to the economy and security of a nation. In this paper,the spatial characteristics and patterns of the aircraft industry are an
针对对等网络(peer to peer,P2P)中资源搜索效率低的问题,提出一种基于节点信誉改进Q学习的资源搜索策略(search strategies using improved Q-learning based on node reputation,SSQBR)。该策略在Q学习模型基础上通过引入信誉机制,在搜索初期通过选择信誉值最高的邻居节点转发查询请求以解决Q表的资源信息不足时搜索成功率低