數學結構 的英文怎麼說
中文拼音 [shǔxuéjiēgòu]
數學結構
英文
mathematical structure- 數 : 數副詞(屢次) frequently; repeatedly
- 學 : Ⅰ動詞1 (學習) study; learn 2 (模仿) imitate; mimic Ⅱ名詞1 (學問) learning; knowledge 2 (學...
- 結 : 結動詞(長出果實或種子) bear (fruit); form (seed)
- 構 : Ⅰ動詞1 (構造; 組合) construct; form; compose 2 (結成) fabricate; make up 3 (建造; 架屋) bui...
- 數學 : mathematics
- 結構 : 1 (各組成部分的搭配形式) structure; composition; construction; formation; constitution; fabric;...
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With the plant bionomy the tree ' s growth mechanism is analysed. tree ' s growth model and data structure are builded, and the way of traversaling is advanced
本文從植物生態學角度出發,根據樹的生長原理,建立生長模型及相應的數據結構,並提出該結構的遍歷演算法。Uc h ii regions and are undergoing outflowing motions, which might be produced either by the expansion of the recently formed h ii region or by the presence of molecular outflows
這種運動可能由新形成的hii區膨脹形成或者由已經存在的分子外流驅動。我們對ngc7538irs1的氨分子vla觀測數據重新進行了處理,分析了其動力學結構。At first, the dynamic mathematic model is created in the light of the known dimensions and structure. then base on the mathematic model, dynamic analysis of the system is studied by drawing the open - loop bode diagram closed - loop bode diagram and step response curve using the analysis and calculating function of matlab. the influence factor on frequency character steady and performance of the system is also analyzed
首先,根據已確定的尺寸參數和結構需要,計算並建立起系統的動態數學模型,然後在已知系統數學模型的基礎上,利用matlab語言強大的分析計算功能,對系統進行動態分析,通過畫出系統的開環bode圖、閉環bode圖及系統的階躍響應曲線,分析了系統的頻率特性、穩定性及系統性能的影響因素。The influence of deposition parameters on chemical structure and optical properties of silicon carbonitride film
沉積參數對碳氮化硅薄膜化學結構及光學性能的影響This problem arises from the circuit layout of vlsi designs, interconnection networks, sparse matrix computations, error - correcting code designs, data structures, biology, etc, which has extensive backgrounds
圖的嵌入問題是從稀疏矩陣的計算、數據結構、 vlsi電子線路設計和分子生物學等問題中提取出來的數學模型,有著廣泛的應用背景。This thesis gives a brief account of the basic theories of software engineering and computer graphics, of the data structure of individual component modeling, of the design of the software structure and of the method of realizing software. meanwhile, this thesis put more emphasis on the exploration of the arithmetic of the delaunay triangle network, nurbs curve integration, the filling - in arithmetic of triple - tree, and the arithmetic based on the scan - line arithmetic and the filling - in of complex section
文章介紹了關于軟體工程學與計算機圖形學的基本理論及其各組件模型的數據結構、軟體結構設計與軟體實現的技術方法,並重點討論了基於約束條件的delaunay三角網格化演算法、 nurbs (非均勻有理b樣條)曲面擬合、三叉樹等值線填充演算法和基於掃描線的復雜剖面填充演算法。In the preprocessing stage the method of user and session identification often adopt heuristic algorithm for the being of cache and agent. this induce the uncertainty of data resource. the cppc algorithm avoid the limitation and has no use for complicated hash data structure. in this algorithm, by constructing a userld - url revelant matrix similar customer groups are discovered by measuring similarity between column vectors and relevant web pages are obtained by measuring similarity between row vectors ; frequent access paths can also be discovered by further processing of the latter. experiments show the effectiveness of the algorithm. in the fourth part, this thesis bring some key techniques of data mining into web usage mining, combine the characteristic of relation database design and implement a web usage mining system wlgms with function of visible. lt can provide the user with decision support, and has good practicability
本文演算法避免了這個缺陷,且不需要復雜的hash數據結構,通過構造一個userid - uel關聯矩陣,對列向量進行相似性分析得到相似客戶群體,對行向量進行相似性度量獲得相關web頁面,對後者再進一步處理得到頻繁訪問路徑。實驗結果表明了演算法的有效性。第四是本文將傳統數據挖掘過程中的各種關鍵技術,引入到對web使用信息的挖掘活動中,結合關系數據庫的特點設計並實現了一個具有可廣西人學頎士學位論義視化功能的web使用挖掘系統wlgms 。Mathematical structures ; signs, symbols and concepts
數學結構.標志符號和概念Physicists refer to this conventional model as the bcs theory, after the scientists who worked out the mathematics in 1957
物理學家以1957年時想出其數學結構的科學家命名,把這個傳統的模型稱為巴丁?古柏?施里弗理論( bcs理論) 。Altogether the string picture looks more complicated than kaluza - klein theory, but the underlying mathematical structure is actually more unified and complete
綜合而言,弦的圖像看似比卡魯扎?克萊恩理論來得復雜許多,但事實上弦論所本的數學結構更一致而完備。With the development of fuzzy set theory, all kinds of the structure are upgraded not only from their universes to their power sets but also from their universes to their fuzzy power sets
模糊數學的發展要求各種數學結構不但要由論域向其冪集上提升,而且還要求向模糊冪集上提升。The reason relates to the fact that the exact shape of an object ? the distance from one point on it to another ? is a level of structure, which is called the geometry of the object
原因是:物體的精確形狀(從其中一點到另一點的距離)是另外一層的數學結構,我們稱這結構為物體的幾何。Perhaps with the right additions or a new mathematical structure, a quantumlike theory could be developed that would successfully approximate general relativity in the nonquantum regime
也許加了正確的東西或是新的數學結構,就可以發展出一個能在非量子領域,成功趨近廣義相對論的量子理論。This thesis mainly studies the algebra structure and applications of fuzzy inferenceo the chief research : one is r0 algebra structure of wnxwm, the other is some ways of fuzzy - possible reasoning
本文主要研究了模糊推理的數學結構及其應用。主要研究成果有w _ n w _ m上r _ 0代數結構及其構造及模糊一可能推理的幾種推理形式。The sensitivity indices at different growth stages of the two models differ significantly, which indicates that the time of occurrence of water deficit has a great influence on the reduction of the yield of spring wheat an maize
這一結果可能是由於minhas模型的自變量採用b _ 0和_ i雙重冪指數的數學結構,而能夠較好反映乾旱區作物對水分敏感的特性。With developing fuzzy mathematics, the importance of set value mapping has been highlighted, so that the upgrade of all kinds of the structures, such as ordered, topological measurable structure, etc, have been considered
模糊數學理論的發展突出了集值映射的重要性,各種數學結構需要由論域向其冪集上提升,如序結構的提升,拓撲結構的提升,可測結構的提升等等。The sound transmission mathematics analysis model of a single - glazing window is established by using the finite element method ( fem ) theory, the sound - structure couple theory as well as vibration response and sound wave ' s incidence analysis to a single plate
通過對聲波入射的分析,同時結合薄板的振動響應分析,利用有限元理論和聲、結構耦合理論,建立了聲波入射單層窗的數學結構模型。The relationship between crop yield and water use of spring wheat and maize was studied using the data respectively. the results show that crop yields of spring wheat and maize hold an roughly good linear relationship with seasonal evapotranspirations respectively
5個生育階段的作物水分響應模型由於數學結構和敏感指標的表達不同對于同一種作物的回歸效果存在很大差異,表現出不同的適應性。From the perspective of theory, it is aclassification of the large number of the portfolio models in accordance with theirinherent mathematical structure. from the perspective of calculating, it to dealwith the six separate calculations in unified basis, and enhanced computing e ? - ciency, facilitate practical application, reducing confusion that many complicatedmodels giving to investors
從理論的角度看,它是對數量眾多的投資組合模型根據其內在的數學結構進行的一次分類整理;從計算的角度來看,它把六種需要各自處理的計算統一處理,提高了計算效率,便於實際應用,減少了紛亂繁雜的眾多模型對投資者的迷惑。When researching the pick - up of image - feature, this paper pick up the parameters of whole structure configuration and put forward a method of rapid polygon approach ; after analyzed the parameter of the whole structure, the thresholds can be found ; 3. when researched sort technology of the network of nerve, a network of nerve named art which can recognize the known disfigurement and unknown disfigurement is designed ; 4
深入研究缺陷圖像的特徵參數提取技術。本文利用數學結構形態學的方法對缺陷圖像的整體特徵參數進行了提取,並提出了一種快速多邊形逼近演算法?最小周長法;通過對缺陷整體特徵參數的分析,找到了不同缺陷的特徵參數閾值。分享友人