孤点是指在数学拓扑学中，如果存在x的一个不包含S中其他点的邻域，集合S的一个点x，也叫孤立点。
misc. isolated point
讨论近似空间中的孤点对其代数结构以及粗相等的清晰集刻画的影响。
The influences of isolated points on algebraic structure of approximate space and description of rough equality by crisp sets are discussed.
该算法的主要步骤分两步：1）分别采用阈值分割和灰度邻域属性法消除白噪声及孤点噪声；
The algorithm includes two major phases: 1)removing white noise and acnode noise by threshold segmentation and grayscale neighborhood property respectively;
孤村落日残霞，轻烟老树寒鸦。一点飞鸿影下，青山绿水，白草红叶黄花。
Solitary village sunset canxia, smoke veteran jackdaw. A little Faye shade, green mountains and rivers, white grass leaves yellow.
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