游蕩集 的英文怎麼說
中文拼音 [yóudàngjí]
游蕩集
英文
wandering set-
First, we describe the birkhoff center, the minimal attractive center and the minimal attractor. second, we give relationships among the attractor of axiom a, the non - wandering set, the limit set, the birkhoff center, the probability limit set, the minimal attractive center, the minimal attractor, the ruelle attractor and the measure center
首先給出birkhoff中心、極小吸引中心、極小吸引子的刻劃，然後給出對于公理a吸引子，非游蕩集、極限集、 birkhoff中心、概率極限集、極小吸引中心、極小吸引子、 ruelle吸引子以及測度中心之間的一個層次關系。The evaluation results of dike breach risk show the following distributing regularities of the hang river dike breach risk in the lower yellow river : ( 1 ) the dike breach risk increase with the increasing of flood. ( 2 ) dike breach risk decreases with the river types change along channel. ( 3 ) the reaches of greater dike breach risk mainly distribute in wandering reaches
評價結果表明黃河下游懸河決溢風險具有以下分佈規律: （ 1 ）決溢風險隨著洪水量的增大而增高; （ 2 ）決溢風險隨河型的沿程變化而降低; （ 3 ）決溢風險較大的河段集中在游蕩型河段; （ 4 ）游蕩型河段南岸的決溢風險相對較高; （ 5 ）彎曲型河段北岸決溢風險高於南岸。( 2 ) the non - wandering points with infinite orbit that are not recurrent are the two - order accumulation points of the set of recurrent points
（ 2 ）不是回復點的具有無限軌道的非游蕩點是回復點集的二階聚點。The dissertation focus on the main conflict of flow and sediment change, by analyzing the flow and sediment features, and change in rivercourse of typical period in histry, collecting the data of riverbed change. according to the flow and sediment change condition, combining the existed water works, and based on the results of former researches, the study are conducted on the law of flow state change by comparing rivercourse conditions before and after the completion of sanmenxia project, which may provide some idea for flow state change when xiaolangdi project completed and put into operation and some basic clue for the prediction of variation trend of river section from tiexie to shendi, from shendi to tieqiao near zhengzhou, from tieqiao near zhengzhou to dongbatou, from dongbatou to gaocun and so on in the year 2010 and the period 2010 to 2020. the result may provide some reference for flood control of these wangdering river sections, and some guidelines for planning of water projects and arrangement of project sequence
本課題緊緊抓住小浪底水庫運用后水沙變化這一主要矛盾，通過分析研究以往典型時期的水沙特點和河道演變特點，收集分析河床邊界條件變化資料，小浪底水庫運用后水沙資料變化，結合現有河道整治工程建設情況，總結前人的研究成果，重點研究三門峽水庫運用後下遊河道河勢變化的規律和特點，探索小浪底水庫運用後下遊河勢變化情況，分析預測游蕩性河道鐵謝至神堤、神堤至鄭州鐵橋、鄭州鐵橋至東壩頭、東壩頭至高村等各個河段在2010年， 2010年至2020年期間的河勢變化趨勢，為分析游蕩性河段的防洪形勢，指導河道整治工程建設的規劃和工程安排提供決策參考和依據。In the first part of the thesis, we study two one - dimensional dynamical systems with negative schwarzian derivative. by using the non - existence of attractive periodic orbits and wandering intervals, a theorem is obtained that the forward invariant compact sets of the two dynamical systems are uniform hyperbolic
本文第一部分主要考慮兩類具有負schwarz導數的單峰映射的動力學性質，利用吸引周期軌道和游蕩區間的不存在性等，證明了其正向不變緊集的一致雙曲性。In chapter three, we discuss the topological structure of non - wandering set of a graph map
在第二章中，我們討論了圖映射非游蕩集的拓撲結構。( 4 ) the two - order derived set of non - wandering set is equal to the two - order derived set of the set of recurrent points
（ 4 ）非游蕩集的二階導集等於回復點集的二階導集。The present paper studies the structure of the set of non - wandering points of a continuous map from a graph ( i. e., one - dimensional connected compact branched manifold ) into itself
本文主要研究了圖（即一維緊致連通的分支流形）上連續自映射的非游蕩集的結構。We conclude for a graph map non - wandering set is contained in the closure of the set of eventually recurrent points ; - limit set of non - wandering set is contained in the closure of the set of recurrent points
我們得到的結論是：對圖映射而言，非游蕩集包含于終于回復點集的閉包；並且非游蕩集的-極限集包含于回復點集的閉包。In chapter two, we provide the notion of an eventually recurrent point, and discuss the relationship between non - wandering set of a graph map and its eventually recurrent set ; moreover, we study the relationship between - limit set of non - wandering set of a graph map and its recurrent set
在第二章中，我們引入終于回復點的概念，討論了圖映射的非游蕩集與終于回復點集之間存在的關系；並且進一步研究了非游蕩集的-極限集與回復點集之間的關系。分享友人