拓撲維 的英文怎麼說

中文拼音 [wéi]
拓撲維 英文
topological dimension
  • : 拓動詞(把碑刻、銅器等的形狀和上面的文字、圖形印下來; 拓印) make rubbings from inscriptions pict...
  • : Ⅰ動詞1 (連接) tie up; hold together; link 2 (保持; 保全) maintain; safeguard; preserve; keep ...
  1. In this thesis, used thermocouple to sense the temperature in the space of the hearth, attributed the thermocouple based on calorifics and scientific arithmetic, acquired data by data acquiring card, processed data according to the demand of setting up temperature model and drawing graphics and then caculated the coordinates of isothermal points and normals of isothermal facets, ascertained the order of connecting points and the model of construct, drawed the isothermal facet of temperature field with opengl at last

    通過數據採集板卡進行數據採集並與計算機介面進行數據處理。然後,將處理后特殊點的溫度數據依據marchingcubes演算法建立數學模型求取等溫面上的點的坐標及各點的法向量等。最後,確定計算的三坐標點的連接順序和模型,利用opengl進行等溫面的繪制、消隱和模式變換等工作。
  2. As we all known, with the founding of euclidean geometry in ancient greece, with the development of analytic geometry and other kinds of geometries, with f. kline " s erlanger program in 1872 and the new developments of geometry in 20th century such as topology and so on, man has developed their understand of geometry. on the other hand, euclid formed geometry as a deductive system by using axiomatic theory for the first time. the content and method of geometry have dramatically changed, but the geometry curriculum has not changed correspondingly until the first strike from kline and perry " s appealing

    縱觀幾何學發展的歷史,可以稱得上波瀾壯闊:一方面,從古希臘時代的歐氏綜合幾何,到近代解析幾何等多種幾何的發展,以及用變換的方法處理幾何的埃爾朗根綱領,到20世紀學、高空間理論等幾何學的新發展,這一切都在不斷豐富人們對幾何學的認識;另一方面,從歐幾里得第一次使用公理化方法把幾何學組織成一個邏輯演繹體系,到羅巴切夫斯基非歐幾何的發現,以及希爾伯特形式公理體系的建立,極大地發展了公理化思想方法,不管是幾何學的內容還是方法都發生了質的飛躍。
  3. In short, vector data take the simplest topological entities - points, lines, and polygons - and anchor them within a 2 - d cartesian coordinate system to describe geographical features

    簡言之,矢量數據利用最簡單的實體點、線和多邊形,並在二笛卡爾坐標系統中固定它們來描述地理特徵。
  4. Icm - based topological optimization of three - dimensional continuum structure

    方法三連續體結構優化
  5. An algorithm of searching topological structure from 3d unorganized points

    尋找三散亂數據點結構的一種演算法
  6. According to the topological analysis of the unit cells, the relationship between the braiding parameters is established, such as braiding angle, braiding pitch, fiber volume fraction, dimension of composites etc.

    經過對三編織細觀結構的分析,建立了編織工藝參數之間的關系,如編織角、編織花節長、纖體積含量、復合材料的尺寸等。
  7. The main task of generating 3d objects from orthographic views is to construct 3d objects according to the geometric and topological information in engineering drawings, which has became an important research direction in cad / cam

    基於工程圖的三形體重建技術是根據形體二視圖中的幾何信息和信息生成相應的三形體,這是一個從低到高的構造過程,目前已成為cad與cam中的重要研究課題。
  8. On topological properties of one infinite dimensional space

    一類無窮空間的性質
  9. Main technic of giss webgiso thus function modules architecture and network topological structure are confirmed webgis system implements the basic function of electronical map, such as map zoonu pan, and the abundant query of geograph and database by using maplnfo mapxtreme for java as map server and jsp., java technico this system also can implement the routing of linesx analysing of buffer and so on0 this paper advances storage model of roads and pipelines topology data, efficiently solves the maintenace problem of network topology data of webgis and implements the shortest path algorathm based on webgis by improving it0 the system has better opening by suppling database interface of map ? the system has perfect on - line help and user forum and favorable interfaces and implementation of this system makes fundament for the further research of webgiso

    本系統利用mapinfomapxtremeforjava作為地圖服務器,採用jsp和java技術,實現了基於webgis的電子地圖的縮放、漫遊等基本功能,並具有豐富的圖文定位查詢功能;實現線路路由、緩沖區分析等輔助決策功能;構建了道路管線網路數據的存儲模型,有效地解決了基於webgis的網路數據的護問題;對dijkstra演算法進行了一些改進,實現了基於webgis的最短路徑演算法;本系統提供了電子地圖數據庫介面,使本系統具有很好的開放性和通用性; webgis系統軟體具有完善的在線幫助和用戶交流論壇,人機界面友好。
  10. The design process of the proposed method is described as follows : the user inputs the 3d sketch of a welded machine, and the geometry and topology information of the members in the welded machine are established automatically. the design information is acquired by the means of man - computer interaction. according to the knowledge of design and welding, the rules of bar orientation, joint processing and welding sequence are established

    用戶在autocad中輸入焊接機架的線框簡圖,提取出機架結構的幾何和信息,然後通過人機交互輸入設計信息,並根據機架的設計知識與焊接知識,建立機架的桿件方位布置規則、節點處理規則與焊接順序自動確定規則,最後在autocad中生成經過節點處理的機架三實體,並提供一套合理的焊接順序。
  11. First, the paper summarizes a group building csg entity and makes combination mode of csg entities clear, by abstracting building model and analyzing building graphic objects. depending on this model, the article describes topology relations of the 3d architecture model inner based on the point, line, surface and entity. finally, in the developing environment vc + +, based on the opengl techniques, 3d building model of tyut office building is implemented by csg

    首先,通過對建築模型抽取和建築圖形對象的分析,總結了一組描述建築模型的建築csg體元,揭示了建築模型csg體元之間的組合形態,提出一種基於csg的組合建模方案來構造三建築模型;然後在此模型基礎上進行了基於點、線、面、體的表達方式描述了建築模型內部空間關系,簡要介紹了建築模型的體裝配方法;最後利用opengl技術在visualc + +下實現了工大辦公樓的csg建模實驗。
  12. In the framework, a control mesh may be arbitrary one - dimensional or two - dimensional orientated topological manifold, and the curve or surface is defined on differential manifold homeomorphic to the control mesh with a potential function as its basis functions. this method is an extension of nurbs, which efficiently overcomes the limitations of nurbs

    廣義有理參數曲線曲面定義在與控制網格同胚的微分流形上,以高度一般的勢函數為基函數,其控制網格可以是任意的一流形和二可定向流形。
  13. Combined frame modeling method and surface modeling method build up the topological relations of spacial point, line and surface on condition that the points on the surface of measured object is considered as known points after compared with other several modeling method

    在比較了已有的幾種三建模方法后,結合線框建模和表面建模的方法,將近景攝影測量所測物體表面點作為已知點,構建空間點、線、面的關系。
  14. Ktr is a dynamic wireless routing protocol based on the tree structure. the complicated topology of wireless network is abstracted to a tree structure in ktr while the dynamic routes are created on the basis of discovery and maintenance of neighbor relationships and mobile users " positions

    協議以無線移動自組織網際網路的兩級網路體系結構為基礎,將復雜多變的無線網路抽象為核心樹結構,將動態路由的產生建立在對節點的鄰居關系和對移動用戶的位置關系的發現和護之上。
  15. The classification of differential function germs whose codimention is less than or equal to 5 had been done by topologist r. thom

    對于余小於等於5的可微函數芽的分類,學家r thom早就已經給出了分類結果。
  16. A main difficult in topology optimization is the singular optimum exists, which performs dimensions mutated and un - connectively in spatial domain ( the singular optimum point was hard to get ). so topology optimization is as regarded as a global optimization problem in concave feasible fields

    優化的主要困難在於其可行域的奇異性,該奇異性表現為可行域在某些點數突變及可行域非連通(而奇異點往往難以被搜索到) ,因此優化也可看作是在非凸可行域的全局最優問題。
  17. 4. on original data arrangement of views, first, this paper discusses the instance of line overlap and gives the concept of hidden point, next, a method for breaking line is put forward by the means of handling two lines intersection, at the end, data check and correction is described through topological relationship between primitives and dimension set of drawing. to make a summary, from the viewpoint of practicality, the method of engineering drawing pre - processing proposed in this paper over comes traditional

    4 .在視圖原始數據整理方面,首先討論了重疊邊的分解與重構方法;然後給出了隱含點的概念,通過對二線段相交情況的處理分析了求取隱含點的斷線演算法;最後描述了如何利用實體的關系檢查輸入視圖中的錯誤以及利用工程圖中的尺寸集來校正這些錯誤。
  18. Based on a certain space, we define several basic topological relationships. thus other complex topological relationships can be deduced efficiently independent of geometry embedding

    本文提出了一種三空間結構,基於一定的空間劃分,通過幾種基本的關系的定義,能夠不依賴幾何嵌入,快速推導出各種關系。
  19. This paper discusses the cartography elements used as spatial cognition in the course of user navigation in light of spatial cognition and the limitation of hardware resource in order to improve the map efficiency as spatial cognition tool in different environments, and puts forward the concept of " spatial cognition equality map " which merely represents map elements with important cognition value to user task, and suggests adopting such simplified map as navigation service map in mobile terminal

    摘要基於地圖功能的改變和移動服務獨特的用圖環境,提出採用「空間認知對等地圖」以滿足導航用戶的認知需求;介紹「空間認知對等地圖」的概念和地圖中應表現的認知信息、地圖的簡化過程和簡化過程中的關系護,給出地圖的簡化效果。
  20. Usually the fractal dimension of f ( defined in some way ) is greater than its topological dimension

    以某種方式定義的分形集合的分形數通常是大於它的拓撲維數。
分享友人