基于DTD, XML的树模型和路径表达式，对节点的值相等和路径节点集作了定义。
Based on DTD, tree model for XML and path expressions, definitions for node value equality and node set are given.
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.
该算法可以求得两个半径相等而且最小的圆覆盖点集。
Through the algorithm can be obtained a set of points covered by two equal radii and the smallest circle.
应用推荐