说明:双击或选中下面任意单词,将显示该词的音标、读音、翻译等;选中中文或多个词,将显示翻译。
您的位置:首页 -> 词典 -> 开预拓扑
1)  open pretopology
开预拓扑
2)  topological forecast
拓扑预测
1.
Topological forecast of annual sediment yield of debris flow along the Jiangjia Ravine;
蒋家沟泥石流年输沙量的拓扑预测
2.
In this paper,taking Xinjiang Line of New Eurasian Continental Bridge as an object,the damaged length caused by environmental hazards in Xinjiang Line was analyzed and forecasted by using topological forecasting method of Grey Theory.
基于灰色系统理论中拓扑预测的理论方法 ,对新亚欧大陆桥新疆段环境灾害造成的受损长度进行了分析预测 。
3)  topological prediction
拓扑预测
1.
A good forecast result has been concluded with a topological prediction model of gray system theory based on the observation data of ground water table in Lanxi County.
地下水枯水期水位预报对春季农业生产具有重要意义,利用兰西县地下水水位观测资料,应用灰色系统理论的拓扑预测建立模型进行预测,取得了较好的结
2.
Based on the theory of Gray System, the topological prediction model on agricultural meteorological calamity in Gansu province was made and has beed used to predict the calamity changing trend in coming 12 years.
运用灰色系统理论建立了甘肃省农业气象灾害的拓扑预测模型,并对未来12a的灾害变化趋势进行了预测。
4)  pre-topology
预拓扑
5)  closed pretopology
闭预拓扑
6)  pre-cotopology
预余拓扑
1.
The notions of pre-cotopology,pre-closure operator,family of pre-outside-derived operators,pre-interior operator,family of covers,and their orders on a given complete lattice are introduced,and the way to determine pre-cotopologies on a complete lattice is studied.
通过定义完备格L上的预余拓扑、预闭包算子、预外导算子族、预内部算子、覆盖族及它们上的序关系,研究给定完备格L上预余拓扑的确定方式。
补充资料:拓扑结构(拓扑)


拓扑结构(拓扑)
topologies 1 structure (topology)

拓扑结构(拓扑)【t哪d哈eal structure(to和如罗);TO-no“orHtlec~cTpyKTypa」,开拓扑(oPen to和fogy),相应地,闭拓扑(closed topofogy) 集合X的一个子集族必(相应地居),满足下述J胜质: 1.集合x,以及空集叻,都是族。(相应地容)的元素. 2。(相应地2劝.。中有限个元素的交集(相应地,居中有限个元素的并集),以及已中任意多个元素的并集(相应地,居中任意多个元素的交集),都是该族中的元素. 在集合X上引进或定义了拓扑结构(简称拓扑),该集合就称为拓扑空间(topological sPace),其夕。素称为.l5(points),族份(相应地居)中元素称为这个拓扑空问的开(open)(相应地,闭(closed))集. 若X的子集族份或莎之一已经定义,并满足性质l及2。。(或相应地l及2衬,则另一个族可以对偶地定义为第一个集族中元素的补集族. fl .C .A二eKeaH及pos撰[补注1亦见拓扑学(zopolo群);拓扑空l’ed(toPo1O廖-c:,l印aee);一般拓扑学(general toPO】ogy).
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