1) pre-neighborhood system operater
预邻域系算子
1.
Determining pre-topologies by pre-neighborhood system operater,pre-open-neighborhood base operater,or pre-base;
用预邻域系算子、预开邻域基算子和预基确定预拓扑
2) neighborhood system operator
邻域系算子
3) pre-open-neighborhood base operater
预开邻域基算子
1.
Determining pre-topologies by pre-neighborhood system operater,pre-open-neighborhood base operater,or pre-base;
用预邻域系算子、预开邻域基算子和预基确定预拓扑
4) neighbor operator
邻域算子
5) operator neighborhood
算子邻域
6) L-pre-R-neighborhood System Operator
L-预远域系算子
1.
Determining an L-pretopology by an L-pre-R-neighborhood System Operator,by an L-preexterior Operator,or by an L-preboundary Operator;
用L-预远域系算子、L-预外部算子或L-预边界算子确定L-预拓扑
补充资料：邻域定义系
邻域定义系
defining system of neighbourhoods
任意包含A的开集W，存在族着的一个含于W的元素U. 有时还要求族古的所有元素都是开集.在拓扑空间X中单点集{x}的邻域定义系称为点xoX在X中的邻域定义系.邻域定义系!山几血犯卿劝团lof侧沙加胭加阅山;on pe八e-月二功川a.e.eTeMa oKpecT”oeTe‘」，拓扑空I’qX中集合A的 空间X中满足下列两个条件的子集族七:a)对每个O任七，存在X中的开集V，使得OOVOA;b)对X中【补注】邻域定义系也称为局部基(focalh朽e)或者邻域基(能电hbo切七Cx刃加义).
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条