index of operator semi-group 算子半群的指标
index of a differential operator [数] 微分算子的指数
index of elliptic operator 椭圆算子的指标
index of an elliptic operator 椭球算子的指标
Note: the query optimizer considers using a functional index when the index expression is used in a relational expression or as an argument to one of the operator class functions.
注意：当索引表达式被用于关系表达式，或作为某个操作符类函数的参数时，查询优化器将考虑使用函数索引。
A point operator by means of interval index of an element in the interval valued fuzzy set is introduced.
借助区间值模糊集中元素的区间指数，引入点算子，该算子将一区间值模糊集与一模糊集族联系起来。
Some new methods of computation for random fixed point index of random 1-set-constractive operator.
利用锥理论给出了随机1-集压缩算子的随机不动点指数的一些计算方法。
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