通过对模糊拟阵的相关性、闭包算子和模糊闭集的研究，得到了模糊闭集和模糊闭包算子的几个重要性质。
Several important properties of fuzzy close sets and fuzzy closure operator are derived by analyzing and investigating relativity, closure operators and fuzzy close sets in the fuzzy matroids.
在分明拓扑空间中引入强拟开集和强拟闭集的概念，并讨论了它们的性质。
In this paper, strong pre-open and strong pre-close sets were introduced in topological spaces and their properties were researched.
方法：采用反复夹闭双侧颈总动脉结合腹腔注射硝普钠的方法复制小鼠拟血管性痴呆的模型。
Methods: Vascular dementia model in mice was established by clamping of the both common carotid artery repeatedly.
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