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.
通过使用默认的相等比较器生成两个序列的并集。
Produces the set union of two sequences by using the default equality comparer.
储集层沉积于水体动荡、氧化性强的过补偿环境，如冲积扇相、河流相、滨浅湖相、三角洲相、浊积扇相、风成相、浅海相等。
Reservoir formed in the turbulent and oxidized environment, for example alluvial fan facies, fluvial facies, delta facies, aeolian facies aad shallow-sea facies etc.
用基于随机集的上粗相等、下粗相等来表示随机上近似算子、随机下近似算子。
The upper rough equal, the lower rough equal based on the random sets are used to express upper approximation operators and the lower approximation operators based on the random sets.
用基于随机集的上粗相等、下粗相等来表示随机上近似算子、随机下近似算子。
The upper rough equal, the lower rough equal based on the random sets are used to express upper approximation operators and the lower approximation operators based on the random sets.
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