維數問題 的英文怎麼說

中文拼音 [wéishǔwèntí]
維數問題 英文
problem of dimension
  • 維 : Ⅰ動詞1 （連接） tie up; hold together; link 2 （保持; 保全） maintain; safeguard; preserve; keep ...
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 問 : Ⅰ動詞1 （請人解答） ask; inquire 2 （詢問; 慰問） question; ask about [after]; inquire about [aft...
  • 題 : Ⅰ名詞1. （題目） subject; title; topic; problem 2. （姓氏） a surname Ⅱ動詞（寫上） inscribe; write
  • 問題 : 1 （需回答的題目） question; problem 2 （需研究解決的矛盾等） problem; matter 3 （事故或意外） tr...
  1. The numerical method for the inverse problem of second - dimensional advection - dispersion - reaction equations is discussed in the article

    摘要討論了一類二維對流反應擴散方程反問題的數值解法。
  2. The construction of land use status information system improves the accuracy and the trends of times of land use information, it automatically stores, manages, researches, inquires, counts, analyzes, renews and defends land use status graph which is digital, solves the problem of the renewal of land use status graph and data. it provides not only modern technology means for everyday professional work in county level land management department, but also basic data and scientific basis for land use renewable investigation, dynamic monitoring, land use totality planning. on the other hand, it lays a foundation for the establishment of cropland transform system, land exploitation and readjustment, approvable management system of construction project used land, management system of rural land register

    土地利用現狀信息系統的建設，提高了土地利用現狀信息的準確性和現勢性，實現了對土地利用現狀圖件的存儲、管理、檢索、查詢、統計、分析、變更、維護的數字化和自動化，從根本上解決了土地利用現狀圖及數據的更新問題，不僅為縣級土地管理部門的日常業務工作提供了現代化的技術手段，而且為土地利用變更調查、動態監測、土地利用總體規劃提供了基礎數據和科學依據，為農地轉用制度、土地開發整理、建設項目用地審批管理制度及農村地籍管理制度的建立莫定了現代化基礎，同時也可為土地利用動態監測、土地利用規劃、建設用地的審批和管理提供技術服務。
  3. We describe the meaning of chaos > future idea of chaotic theory and influence on forecast ; introduce the character of chaotic time series, and point out the problem and shortage of the methods already existed computing character value which are fractal dimension and the largest lyapunov exponent and improve on it ; present the forecast principle of forecast method based on chaotic attractor, and point out the shortage of local field forecast method based on chaotic attractor and bring forward improved on methodo at the same time, we put forward a banausic algorithm and compare two models using practical example

    論述了混飩的含義與混淪理論的未來觀及其對預測的影響；介紹了。混飩時間序列的特徵，指出了己有的計算分形維及最大李雅譜諾夫指數這兩個特徵量的方法存在的問題與不足，並對此進行了改進；給出了基於混飩吸引子的預測方法的預測原理，指出了常用的基於混燉吸引子預測的局域法的不足並給出了改進方法，同時，給出了其實用演算法，並用實例進行了比較。
  4. Third, this dissertation analyzes the complicacy of result size estimation problem for xml structure based query optimization compared to its counterpart in traditionally relational database, and proposes a full - featured result size estimation algorithm for xml query, sxm. for simple path expression query, this dissertation proposes a dynamic synopsis model for xml data based on the concept of f - stable and b - stable, xmap. for complicated path expression query, this dissertation adopts an improved bifocal sampling method for result size estimation

    第三，分析了xml結構化查詢優化中的查詢代價估計問題與傳統關系型數據庫中的查詢代價估計問題的區別，提出了一套完整的xml結構化查詢代價估計體系sxm ，包括對簡單路徑表達進行查詢代價估計的動態xml數據統計模型xmap ，對復雜路徑表達進行查詢代價估計的雙焦點例舉法，以及對值匹配條件進行查詢代價估計的基於小波的多維直方圖方法，並能將多種查詢表達的查詢代價估計結果結合在一起，以給出一個完整的xpath查詢的代價估計。
  5. Process tomography ( pt ) technique can provide interior behavior 2 / 3 dimension visualizing information in process equipment such as closed pipe, vessels and so on in real time, so it is a novel approach for two - phase flow parameters measurement

    過程層析成像（ pt ）技術能實時提供封閉管道、容器等過程設備內物場運動狀態的二三維可視化信息，為解決兩相流參數檢測問題提供了一條新途徑。
  6. Fortunately, extensible markup language ( xml ) emerges timely, which is a standard data representing language proposed by w3c and is platform independent and self - describable

    可擴展標記語言（ xml ）及時解決了這個問題。 xml是由萬維網協會（ w3c ）制定的用來描述數據信息的一種標準語言。
  7. With the fourier series technique, the disturbance is discomposed into predominant mode and high frequency harmonics. the nonlinear stability of three - dimensional disturbances for the blasius boundary layers is studied

    藉助fourier級數的方法將擾動波分解為基本模態和高頻模態，研究了三維擾動的非線性邊界層穩定性問題。
  8. Effective extraction of optimal discriminant features and the dimension problem

    有效最佳鑒別特徵的抽取與維數問題
  9. In chapter 8 solutions by eigenfunction expansion to 1 - dimensional problems of mechanics and 2 - dimensional problems of theory of elasticity are researched

    第八章研究1維力學和2維彈性力學問題的特徵函數展開解法。
  10. In order to maintain the rules conveniently, we make use of the technology of rdbms in managing data, consider the trait of production rules, and then design and realize the arithmetic to check the rules " equipollence and circulation on the basis of our former work - knowledge ordering. all these solve the knowledge base ' s consistency effectively

    為了方便對規則的維護，我們充分利用數據庫管理系統對數據管理的巨大威力，結合產生式知識規則的特點，在原有知識序化的基礎上，對規則的等價、循環做了演算法設計與實現，較好地解決了知識庫的一致性問題。
  11. 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拓撲數據的存儲模型，有效地解決了基於webgis的網路拓撲數據的維護問題；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。
  12. Since there exists a serious problem, which is about dimension

    這里有一個很困難的問題即維數問題。
  13. The thesis designed the structure of a firewall in global, and then it go deep into the problem of searching and maintaining the filter rules and the state inspection table. it employed the data structure and algorithms of geometry and graph theory in the design of firewall

    本文在帶狀態監測的防火墻結構基礎上，首先從總體上設計了整個防火墻的結構，進而研究了過濾規則庫和狀態監測表的搜索、維護問題，提出了將計算幾何學、圖論中的數據結構和演算法引入防火墻的設計的方式，將基礎理論應用到實踐中來。
  14. A special two - dimensional divisor problem

    一個特殊的二維除數問題
  15. This paper decomposes materialized views maintenance into ods / db interface and dw / ods interface. multiple data sources with concurrent updates may result in update anomalies of the materialized views. so at ods / db interface this paper introduces an improved nested transaction model - based transaction concurrency control mechanism to maintenance views in ods on line

    本文把視圖的一致性維護問題分解到三層結構的ods / dw和dw / ods兩個介面上分別實現，並且引入視圖生成樹的概念，在ods / db介面處採用基於改進嵌套事務模型的並發控制機制，聯機維護ods的數據，大大提高了視圖維護過程中的並發度和靈活性。
  16. With the constant deepening of the housing system reformation, housing becoming commodity has striken root in the hearts of the people, and more and more commodity houses have begun to exceed the deadline of maintenance. therefore, the problems about the maintenance of the public sections facilities and equipment will influence the development of housing industry and the settlement of the society. it ' s quite important to build maintenance fund ' in time and manage it efficiently and the importance will be very striking. hence, it is taken for granted to expect to exploit housing maintenance fund management system and analyze the valuable knowledge through the systematic data to guide the governmental decisions

    隨著住房制度改革的不斷深化，住房商品化已經深入人心，越來越多的商品房開始超過保修期，公共部位、設施設備的維修問題會影響到房地產業發展與社會安定。及時建立維修基金並對維修基金進行有效管理的重要性顯得非常突出。開發房屋維修基金管理系統，並從系統數據中分析出有價值的知識用以指導政府決策也是理所當然的期望。
  17. Concerning some problems of retrieval and maintenance of united digital library database, this paper puts forward a model that is based on cgi

    摘要本文就數字圖書館的聯合館藏書目數據庫的查詢及維護問題，結合本館實例，提出了基於cgi程序實現的模型方案。
  18. One windows nt server and one set of datum processors set up the real time achievement database server, the server adopts windows nt 4. 0 as operating system, ms sql 7. 0 as database management system, through tcp / ip achieving visit the server. visual basic 6. 0 was adopted to develop the terminal software, the system altogether includes affairs reminding subsystem, sportsmen dividing into groups subsystem, referee giving a mark subsystem, achievement calculate subsystem and achievement issue subsystem, 6 subsystems. at the same time, the systematic security divide into server operating systems security, database management system security, client terminal software security, and network security as well

    該系統採用兩層的c s結構： windowsnt服務器、一臺數據處理機建立了處理實時成績信息的數據庫服務器，服務器windowsntserver4 . 0作為操作系統， mssqlserver7 . 0作為數據庫管理系統，並通過tcp ip協議實現對server的訪問；採用visualbasic6 . 0程序設計語言作為開發工具研製了系統終端軟體，共包括事務提醒子系統、運動員分組管理子系統、裁判員評分子系統、成績計運算元系統、成績發布子系統、成績瀏覽子系統等6個子系統；同時將系統的安全機制分為服務器操作系統的安全機制、數據庫管理系統的安全機制、 client端應用程序的安全機制和網路的安全機制；由於c s系統中影響系統性能的因素主要包括client 、網路、 server 、數據庫和應用系統；在「花樣輪滑評分系統」中充分考慮了這些因素，從數據分佈、數據庫系統配置等方面來提高系統的性能；並從系統運行、數據庫維護兩個方面考慮系統的維護問題。
  19. Linear algebra is mainly a subject which studies the linear structure of finite dimensional linear space and its linear transformation while linear concept is in itself from the old euclid g eometry. the concept of " linear space " is a kind of algebraic abstract. in many fields of modern engineering project and technology, because of the influence of computer and graph showing, the algebraic disposal of geometric questions, the visual disposal of algebraic questions, algebra and geometry are tightly combined

    線性代數主要是研究有限維線性空間及其線性變換這一代數結構的學科，而線性概念究其根源則是來自古老的euclid幾何，線性空間概念是幾何空間的一種代數抽象，在現代工程技術的許多領域里，由於計算機及圖形顯示的強大威力，幾何問題的代數化處理，代數問題的可視化處理，把代數與幾何更加緊密地結合在一起。
  20. Secondly, safety factor of a landslide body with a polygonal sliding surface is analyzed in this paper. the results demonstrate that this method can consider that the different material stiffness parameters in the landslide body have an effect on the safety factor. finally, the safety factor of a three - dimension landslide body with a spherical sliding surface is calculated with this method, and the applicability of this method for three - dimension slope is verified after comparing the result with theoretical answer

    文中首先用具有理論解的算例? ?垂直坡受集中荷載的安全系數問題驗證了該方法的正確性，再通過對一個具有折線滑動面的滑坡體的安全系數的分析說明了該方法還可以考慮塌滑體內不同的材料剛度參數對安全系數的影響，之後用該方法對一個具有球形滑裂面的三維滑坡體進行了計算，通過與閉合解的比較驗證了該方法對三維邊坡問題的適用性。
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