This paper proposes an open hierarchical network architecture for the Internet of Things (IoT), which can provide a unif......

Point-based surface has been widely used in computer graphics for modeling, animation, visualization, simulation of liq-......

作为“社会公害”之一的城市生活垃圾，是一种丰富的可再生资源，而实现城市垃圾资源化的关键是实施生活垃圾分类收集。详细分析了实施......

文章通过对DFA状态最小化算法的分析,指出了关于空集φ的一个不等价问题,并讨论了问题的成因及解决方法.......

We will focus on some results that we hope to give an algorithm for constructing the best approximations in some types o......