拓撲多面體 的英文怎麼說

中文拼音 [tàpūduōmiàntǐ]
拓撲多面體 英文
topological polyhedron
  • 拓 : 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...
  • 面 : Ⅰ名詞1 （頭的前部; 臉） face 2 （物體的表面） surface; top 3 （外露的一層或正面） outside; the ri...
  • 體 : 體構詞成分。
  1. 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世紀拓撲學、高維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。
  2. Therefore, it is really necessary to improve the anti - jamming ability of cmts ( cable modem termination system ) based on current docsis protocol. this paper firstly investigates the topology, architecture, key devices and channel features of hfc network, then points out its inherent disadvantages of this kind of topology

    本論文首先對hfc網的拓撲結構、體系結構、關鍵設備、通道特點等方面進行了充分的研究，指出這種網路拓撲結構固有的缺點，那就是上行是多點到一點的信號匯聚。
  3. Through analyzing several current - prevailing geography information types and gis data formats, this paper proposes a both user - oriented and multi - resource - heterogeneous - information - system - oriented scheme that describes the urban space semantic information entity based on ontology. moreover, ontology - based topology and semantic relationship of the urban space entity are provided. this paper also presents a synthetic query model of ontology - driven space information and a methodology of semantic integration

    本文在分析了國內外流行的gis系統的地理信息類型和數據格式的基礎上，提出基於本體論的，面向用戶應用、面向多源異構信息系統的城市空間語義信息實體的描述方法，提出基於本體的城市空間實體拓撲關系及語義關系，確立了本體驅動的空間信息的綜合查詢模型，以及語義信息集成方法。
  4. In multi - agent platform aspect, this paper realized a ring of star topology fault - tolerance agent platform included three main container nodes base on jade ( java agent development framework ) software frame, when one of the main container running agents cannot be accessed, other main container in this platform can detect it, and rebuild a new agent platform according to address notification service provided by jade

    在多agent運行平臺方面，本文在jade （ javaagentdevelopmentframework ）軟體框架上構建一個具有三個主容器結點的星形環拓撲結構的多agent容錯平臺。當運行agent的某個主容器不能被訪問的時候，平臺上其它的主容器可以檢測得到，並根據jade提供的地址通訊服務，重新建立一個新的agent運行平臺。
  5. The creativity of the work in the paper can be shown as the following four aspects : ( 1 ) for single subnet, the condition of simple link judgement is added into the ptda, so the algorithm is improved well ; ( 2 ) for multiple subnets, the ptda becomes more effective, benefited from use of breadth - first - search algorithm of graph, port - deletion method etc ; ( 3 ) due to suitable adoption of the three protocols stp, snmp and arp, the ptda based on spanning tree protocol can get very effective and correct ; ( 4 ) owing to the employment of ieee802. 1 q, the ptda of vlan is all - purpose to some extent

    本文的創新之處主要體現在以下四個方面:在單子網物理拓撲發現演算法中，增加了判斷簡單連接的條件，使演算法更加完善;在多子網物理拓撲發現演算法中採用圖的廣度優先遍歷方法、埠刪除方法等，該演算法更加有效;在生成樹協議物理拓撲發現演算法中，正確使用stp 、 snmp和arp三種協議，物理拓撲發現非常準確;在vlan物理拓撲發現演算法中，正確運用了ieee802 . 1q協議，該演算法具有通用性。
  6. Research result shows that the object - oriented geographic spatial model has stronger representative ability, is easier understood and accepted ; using the concept of geometric data type unify the process method of attribute and spatial data, and simplify entity query and analyses. the topologic relations between entities, which are not been stored in explicit formulation in the model, can be achieved through collective operation of geometric object ' s hypergraph model. compared with traditional his, the query and analyses ability of which based on new model are stronger

    研究結果表明，面向對象的地理空間模型具有更強的表現能力，並且容易被理解和接受；採用幾何數據類型的概念，可以使對非空間數據和空間數據的處理方法相統一，而且會使對實體的各種屬性數據（包括空間屬性）的查詢和分析模型更加簡單；對于面向對象模型中不顯式表示的地理實體間的空間拓撲關系，可以利用實體的幾何對象的超圖模型間的集合運算來求得；基於面向對象地理空間模型的實體查詢和分析，也比基於傳統gis數據庫查詢和分析具有強得多的功能。
  7. The research work of this dissertation is focused on the network topology of p2p group communication. the major contributions of the dissertation are summarized as follows : 1. in the light of the characteristics of p2p group communication, we define two graph metrics, rh and rd, to quantify the matching degree between the overlay and the underlay network

    本文重點研究針對多媒體傳輸的p2p組通訊的網路拓撲，論文的創新性工作主要體現在以下幾個方面: 1 .針對p2p組通訊的特點，定義了根跳距和根距離兩個拓撲特徵指標參數來衡量測試拓撲圖和底層網路的吻合程度。
  8. Abstract : a new data structure that one link - list was composed of polygon - surface table, edge table and vertex table was proposed to describe the geometry information and topology information of control polyhedron m in the rese arch of modeling with closed surface. compared with other structures which were a pplicable to the work, the structure was understandable, economize and conveniently to modify. after describing the detail of the geometry information, topology inf ormation included in the tables of polygon - surface, edge and vertex, and the poin t - link form of the adjacency multilist between the tables, a concise instance was given in clanguage array

    文摘:介紹了在閉曲面造型研究中，為描述控制多面體m的幾何信息和拓撲信息而設計使用的一種單鏈三表的數據結構.與其他適用與描述控制多面體的數據結構相比，該結構在結合了鄰接多重表方法后的特點是:關系描述清楚，節省存儲空間，方便查找和交互修改形體.在介紹單鏈中三表（面表、邊表、頂點表）所含的幾何信息細節、以及單鏈的三表之間的表示面、邊、頂點拓撲關系的指針的鄰接多重連接方式之後，本文給出了以c語言數組方式簡明描述的數據結構實例
  9. All algorithms that introduced hi my paper focus on the hollow hull of object, and the calculations are a series of intersection of face and line that have no ply. and by employing the topology information that come with the points since their generation, we can get the surface polygonal mesh without triangulation and reduce the time used in reconstruction of visual hulls and help to realize real - time rendering

    本文提出可見殼的生成演算法都是建立在無厚度的平面直線求交計算上，完全避免了對物體內部的冗餘區域的計算，同時利用物體表面點集與生俱來拓撲信息，恢復物體表面的多邊形網格，在一定精度范圍內可以避免對散亂點集進行三角剖分，減少可見殼的生成時間並有助於實時繪制的實現。
  10. It solves payment issue through sharing pos and brush card. it solves info sharing and exchanging problem by enterprise application integration it adopts research method of software engineering and uses touch - screen, network, database technology and so on to carry through total design of the system and build the software : it uses user status identify and responsibility control to ensure database and application program ' s security ; it strengthen the code by coding optimize ; it captures and discards application runtime error to enhance the system ' s stability ; it uses multimedia voice and moving picture to show help information, thus makes the system easy to use ; it greatly reduces the maintenance work of the system by self - updating function ; it is an opening system by using star - model network top structure, supporting standard network communication protocol ? tcp / ip and offering standard software interfaced criterion

    論文採用軟體工程的研究方法，使用觸摸屏、網路、數據庫等技術，進行了系統總體方案設計和軟體開發：通過對數據庫和應用程序的用戶身份識別和權限控制，保證數據存取和應用程序的安全性；通過對代碼進行優化提高了代碼的健壯性；通過捕捉並拋出系統運行時的異常錯誤提高了系統的穩定性；通過多媒體語音、圖形和動畫提示幫助信息來增強系統的易用性；客戶端程序自動升級功能提高了系統的可維護性，有效地減少了維護工作量；系統採用星型的網路拓撲結構，支持標準的tcp ip網路通訊協議和規范的軟體介面標準，具有良好的開放性。
  11. This article proposes in order to quickly hidden processing is carried on to multi concavo - convex polyhedron, the hierarchical structure is applied to carried on description on topo relations of three dimensional physique ; the bidirectional link table is applied to carried on the dynamic node assignment, for enhancing the efficiency of the algorithm ; when multi three - dimensional body is being hidden processing, the screen projection polygon should be carried on the overlaped eliminating confirmation and the polygon edges be carried on the computation of the intersectant points, the depth inspection, the comprehensive test and so on

    摘要文章提出一種對多個凹凸形多面體進行消隱處理演算法，並介紹了採用層次結構進行三維形體的拓撲關系描述；採用雙向鏈表進行動態結點分配的演算法，提高了演算法效率；對多個三維物體消隱處理時，進行屏幕投影多邊形的重疊排除驗證，對多邊形邊進行交點計算，深度檢查，包容性測試等。
  12. In view of the feature of neural network and its advantages in pattern recognition, we have a great deal work in off - line handwritten character recognition based on neural network. we present two recognition methods based on neural network. one of which is the hybrid neural network recognition system, a multi - level neural network classifier constructed by using the multi neural networks integration technology

    由於神經網路的特點及其在手寫體字元識別領域體現出的潛力，本文對基於神經網路的手寫體字元識別技術進行了大量的研究工作，提出了兩種新穎的基於神經網路的手寫體字元識別模型，其中，基於混合神經網路的手寫體字元識別模型利用了在抗干擾和描述字元拓撲結構方面具有互補性的中心投影特徵和llf特徵，使用多神經網路集成技術構建了多級的神經網路分類器。
  13. Grid generation is a pivotal technology of cfd ( computational fluid dynamics ). follow the complication of problem in cfd field, the grid generation technology has developed in two ways : in the first place, it improved grid generation method to adopt the increasingly complicated figuration ; on the other hand, it developed new methods to deal with the problem including fluctuant surface, such as multi - body separation problem etc. among this ways, the overlap grid technology is a vive research aspect

    網格技術是cfd （ computationalfluiddynamics ）領域中的關鍵技術。隨著cfd涉及問題的復雜化，網格技術在兩個方向上逐步發展:一方面針對不斷復雜的外形處理需求改進網格方法，從而能夠模擬復雜飛行器及其各個氣動部件的細節;另一方面發展適應撲翼、多體分離等變幾何外形問題的網格方法，使得cfd的工程應用領域不斷拓寬。這其中，重疊網格方法是一個較有活力的研究方向。
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