rough approximation operator 粗糙近似算子
Weak approximation operator 弱逼近算子
Linear approximation operator 线性逼近算子
best co-approximation operator 最佳共逼近算子
fuzzy rough approximation operator 模糊粗糙近似算子
approximation by operator [数] 算子逼近
In the end , we compare the different definitions of the lower approximation operator on the approximation space, and point out the research directions.
最后是结束语，对模糊近似空间上的下近似算子进行了比较，并指出了以后的研究方向。
参考来源 - 模糊近似空间上模糊集的粗糙集及其粗糙度A novel concept of similarity approximation operator is proposed, and the properties of the approximation operators are discussed. The aximatic characterization of this operator is then examined.
定义了类近似算子,讨论近似算子的性质,并给出它们的公理刻画。
参考来源 - 基于关系的概念格属性约简及集合近似·2,447,543篇论文数据，部分数据来源于NoteExpress
The approximation operator for every kind of the objective function is different in approximation Theory.
在逼近问题中，对于不同的目标函数，采用的逼近算子也有所不同。
At last, we we prove the decomposition and synthetize theorems of general fuzzy rough approximation operator.
最后，给出了广义模糊粗糙近似算子的分解与合成定理。
Instead, consider how you can best retrieve a set of objects that can constitute a good approximation of the set of data that an operator must use for the next several minutes.
相反，考虑如何最好的得到一系列对象的集合，用来创建一个好的数据集合代理，处理一些在后来几分钟内一定会处理的对象。
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