1) stratiform closed set
层次闭集
1.
In fuzzy topological space, some sets are not closed sets, but they display some characteristics of clsed sets on some stratiform, if is so-called stratiform closed set.
在模糊拓扑空间中,有些集合本身并不是闭集,但在某些层次上它却表现出闭集的特性,这就是所谓的层次闭集。
2) set level
集合层次
1.
In this paper we analyzed set level of crop--individual, colony and community, put forward the concept of crop community machinery, expounded its development and the necessity, effect, implementation as well as the foreground of culture mechanization of crop community to conducive to raise the labour productivity.
本文分析了作物集合层次——个体、群体和群落;提出了作物群落机械的概念;阐明了它的试制以及作物群落栽培机械化的必要性、作用、实施以及发展前景,有助于提高劳动生产率。
3) sealed reservoir
封闭储集层
4) secondary stratigraphic trap
次生地层圈闭
5) secondary stratigraphic trap
次级地层圈闭
6) multileveled density
多层次密集
补充资料：闭集
闭集
dosed set
闭集ld吹d肥t买姗.叮l说M“馏ec佃]，拓扑空间中的 含有它的所有极限点〔见集合的极限点(】imjtpolnt of a set)、的集合.于是，闭集的补集的所有点都是内点，所以闭集可定义为开集的补集.闭集的概念是把拓扑空间定义为具有满足下列公理的特定集合系统〔所谓闭集)的作空集X的基础:X本身和空集是闭集;任意个闭集的交是闭集;有限个闭集的并是闭集.
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