求定義數據 的英文怎麼說

中文拼音 [qiúdìngshǔ]
求定義數據 英文
undefined data
  • : Ⅰ動詞1 (請求; 要求) ask; beg; request; entreat; beseech : 求人幫忙 ask sb a favour; ask a favou...
  • : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
  • : Ⅰ名詞1 (正義) justice; righteousness 2 (情誼) human ties; relationship 3 (意義) meaning; si...
  • : 數副詞(屢次) frequently; repeatedly
  • : 據Ⅰ動詞1 (占據) occupy; seize 2 (憑借; 依靠) rely on; depend on Ⅱ介詞(按照; 依據) according...
  • 數據 : data; record; information
  1. Involuntarily, questions of these engineering datas " management appear, datas " persistance only depending relational model and rdbms is greatly insufficient, so this paper carefully studies object - relational mapping based on rdbms based on the analyse of home & overseas actualities, correlative theories and realizing methods of object - relational mapping, we find opl based on rdbms is the most suitable for object relatinoal mapping of clera. based on the engineering application analyse of opl in clera, function requirements, database modes, interface criterions and functions, running modes of opl have being detailedly described. with the framework of microsoft dna, a kind of realizing method of opl based on com / dcom / activex component technology has being brought forward, and this paper describes realizing keys from base tables " definition, object id and class hx class and inheritance of class, object storage, parallel control and affair, object query, object nesting, relations between objects, support of complex data types, right control of object and buffer management of object

    本文在分析對象?關系映射技術的國內外現狀、相關理論及實現方法的基礎上,研究發現基於rdbms的opl是目前最適合clera的對象?關系映射方法;在clera的opl應用分析的基礎上,詳細描述了opl的功能要庫模式、介面規范與功能、運行方式等內容;結合microsoftdna開發框架,提出了一種基於com dcom activex組件技術的opl實現思路,並從基本表、對象標識與類標識、類與類繼承、對象存儲、並發控制與事務、對象查詢、對象嵌套、對象間聯系、復雜類型的支持、對象級權限控制及對象緩沖管理等幾方面概述了實現要點。
  2. Considering the precision and cost of sea - route in our country, gps oem board was selected positioning for system in stand - alone model ( not dgps ). there is abundant time to processing and optimizing data for gps receiver because the reactive speed of pharos is on hour level contrast to strict real time

    航道位精度要與成本承受能力,系統選取低成本的gpsoem板接收機進行單機位,由於航標燈監控有一實時性但又非嚴格意上的實時性,其反應速度可到小時級,這為gps接收機位提供了寬裕的時間作為處理與優化。
  3. Where some languages require you to predefine variables and assign them " data types, " rexx defines variables dynamically by their contents and use

    有些語言要變量,並指變量的「類型」 ,而rexx則通過變量的內容和使用情況動態地變量。
  4. After understanding the whole structure of enterprise model based on rdbms, i define a series of semanteme and expressing - dtd. i adopted the tool ’ s package of jdom and the interface of jsp to generate xml

    在充分理解了以關系型庫描述的企業模型的完整結構后,基於xml的語語法dtd ,自了一套滿足模型庫結構要的企業模型交換標準。
  5. This article canvass the status quo of the archive ' s automatization administration and the develop status of data mining, and discusses how to combine the data mining technology with the archive work from data cleaning means, data mining arithmetic, and data storage etc. and this article put forword a data mining syst em design idea. this article ' s structure is : first, in allusion to the archive data status quo, the pretreatment work of archive data that include data quality evaluation, data cleaning and data commut - ation process is bringed forword ; second, in the process of realizating data mining, the article discusses conception description, association rule, class three familiar means of applicating data mining, also put inforword the concrete arithmetic and the program design chart, and discusses the range and the foreground of all kinds of arithmetic when they are applicated in the archive ; third, the base of so you say, this article also discusses the importance of the archice applicate data storage and the means of realizing it ; last, the article discusses seval important problem of realizing an archive data mining system from data, diversity, arithmetic multiformity, mining result variety and the data pretreatment visibility, mining object descriptive visibility, mining process visibility, mining result visibil ity, user demand description and problem defining etc aspect. the article ' s core is how to import data mining technology in the archive work

    本文評述了檔案自動化管理現狀和挖掘技術的發展狀況,從清洗方法、挖掘演算法、倉庫的建立等方面論述了如何將挖掘技術與檔案工作相結合的具體思路,並提出了一個挖掘系統的設計思想。文章首先,針對檔案的現狀,提出了應對檔案進行預處理工作,包括質量評估、清理、變換和歸約等過程;其次,在具體實現挖掘過程中,本文結合檔案的特點探討了概念描述、關聯規則、分類等三種常見挖掘形式的實現方法,提出了具體的實現演算法和程序設計框圖,並論述了各種演算法在檔案工作中的應用范圍及前景;第三,在上述基礎上,又論述倉庫在檔案挖掘中的重要性並提出了實現一個檔案倉庫的方法;最後,從處理的多樣性、演算法的多樣性、挖掘結果的多樣性、預處理可視化、挖掘對象描述的可視化、挖掘過程可視化、結果顯示可視化、用戶需的描述及問題等幾方面討論了實現一個檔案挖掘系統的幾個重點問題。全文以探討如何將挖掘技術引入到具體的檔案工作實踐中為核心。
  6. When the conception is introduced, the form process should be shown as much as possible. according to the congnition ability, scientific and fine mathematics language should be used to explain the conception. the students are asked to express the conception so the teacher can check if the conception in their mind is consistent with the conception definition

    在引入概念時,要盡量展現概念的形成過程,根學生的認知水平,用科學、精煉的學語言講授概念,並要學生會表述概念,以便教師檢查學生頭腦中的概念與概念是否一致。
  7. The thesis tells surface analysis method including curvature analysis and curve depth analysis that we using in the skin restoring project. in chapter 2, it tells the definition of b - spline curve and surface and the fundamental algorithm - de boor algorithm for points of curve and surface. as to reconstruct surface from ct data, we discuss some basic algorithm and introduce the wrapping skin algorithm

    在第二章中,介紹了b樣條曲線曲面的及基本演算法- -曲線曲面點的德布爾演算法;基於ct的曲面重構,討論了重構過程中所應用到的基本演算法(如節點插入及消去演算法、曲線的反算方法等) ,並介紹了曲面重構中常用的蒙皮法。
  8. Because of the characteristics of the history case data and requirement of the association rules mining, we use a dhp algorithm with additional constrains and composite items, integrating the temporal relations of indeterminate periods, to mine interesting association rules

    由於病歷的特點和關聯規則挖掘的要,採用附加約束並包含復合項的dhp演算法,結合不確時間區間的時態關系,挖掘出有意的關聯規則。
  9. With the development of the network and the multi - processor system, the research, simulation and the impemeni of the system - level fault diagnosis which is the very important means to increase the reliability of the system, are becoming more and more important. on the system - leve1 fault diagnosis, based on the group theory of system - level fault diagnosis that has been put forward by pro f zhang, the paper constructs newly the theory bases, improves on the matrix method, reinforces and consummates group arithmetic of all kinds of test mode, for the first time, analyses and discusses the equation solution of all kinds of models, so al1 the consistent fault patterns ( cfp ) could be found, straightly and high efficiently, even if the sufficient and necessary condition of t - diagnosable is dissatisfied and the complexity of system - level fault diagnosis is greatly decreased, especialy in strong t - diagnosabl6 system. last the simulation system ' s function has been extended and the application hotspot and the development trend have been disscussed

    本人在張大方教授等人提出的基於集團的系統級故障診斷的理論基礎上,重新構建了系統級故障診斷的理論基礎,了系統級故障診斷測試模型的三值表示;改進了系統級故障診斷的矩陣方法,重新了測試矩陣、鄰接矩陣、結點對、結點對的相連運算、極大準集團和斜加矩陣,由此能直觀、簡便地生成集團和極大獨立點集;補充和完善了各類測試模型的系統級故障診斷的集團演算法,通過集團測試邊和絕對故障集,簡化了集團診斷圖,由此能較易地找到所有的相容故障模式,即使不滿足t -可診斷性,大大減少了系統級故障診斷的復雜度,尤其是對強t -可診斷系統;首次分析探討了各類測試模型的方程解決,由此從另一角度能系統地、高效率地出所有的相容故障模式( cfp ) :擴充了系統級故障診斷模擬系統的功能,快速、直觀和隨機地模擬實驗運行環境,進行清晰和正確的診斷,同時提供大量的實驗用於理論研究,優化演算法和設計。
  10. Aiming at this problem, the main research issues and achievements in this paper are as follows : bi - directional data transformation between rdb and xml with semantic constraints preserved for most of existing researches on static data transformation between xml and rdb, dtd is taken as the schema description language for xml, and the semantic constraints are often lost during the transformation process. to overcome these disadvantages, the author adopts xml - schema, a standard schema description language proposed by w3c to replace dtd, as the description method owing to its more powerful functions than dtd, and of course with the syntax much more complicated. after analyzing the constraints characteristics in both xml - schema and relational schema, a semantic constraints - preserved algorithm is proposed which can realize the bi - directional schema mapping between rdb and xml through a formalized description of xml based on regular tree and a general expression for relational schema based on direct graph approach

    保留語約束的xml與rdb雙向靜態轉換技術現有研究大多採用dtd ( documenttypedefinition ,文檔類型)作為xml的模式描述語言,並且在模式映射過程中丟失語約束信息,本文分析了xml - schema ( xml - schema採用與dtd完全不同的語法,描述能力更強同時也更為復雜,已被w3c確為替代dtd作為xml模式描述語言的標準)及關系模式的語約束特徵,通過基於正則樹的xml形式化描述方法以及基於有向圖的一般關系模式表示方法的研究,建立保留語約束的xml - schema與關系模式的雙向模式映射演算法,實現了xml與rdb的雙向轉換,較好地解決了xml與rdb在靜態轉換層面的集成問題,可有效滿足企業大量rdb面向xml的發布以及與日俱增的xml存入rdb的應用需
  11. The macro model of drift region resistance was established based on the solution of poisson ’ s equations and continuity equations. by the combination of spice mos ( level = 3 ) and the macro model, the complete dddmos model was then obtained, which accords well with simulated data. by simulating and comparing different devices of different process parameters, the model is applicable for different bias regions and can be useful in the power integrated circuit research in future

    首先介紹了器件建模的基本原理及相關模擬技術,然後利用工藝模擬軟體生成器件基本結構,並對其基本特性進行了分析;分析了業內和學術界比較通用的高壓器件建模的方法,隨后在模擬實驗的基礎上著重分析了dddmos的物理特性,在解泊松方程、連續性方程等基本方程的基礎上,建立有物理意的漂移區電阻的宏模型;隨后結合spicemos ( level = 3 )模型而得到完整的dddmos模型,此模型與模擬符合得比較好,通過對不同工藝參的器件進行模擬比較,該模型能夠覆蓋不同的工作偏壓范圍,具有較明確的物理意,對今後的功率集成電路的研發有一的參考意
  12. We analyze the assembly model and propose a mathematics model and tree - representing model of the assembly who not only has a small data size, but also can be manipulated easily. this thesis not only gives the virtual representing concept the instance representing one, but also defines the concept of assembly constraint such as coupling, being alignment, being coaxial and being equidirectional. based on such concepts, a revised newton - raphson iterative algorithm is proposed, which can deal with the singularity and ill - condition of jacobi matrix

    首先分析了裝配體的模型問題,提出了裝配體的學模型及樹形式表示的裝配體表示模型,模型具有量小、操作簡單的優點:文章對所涉及的約束諸如耦合、對齊、同軸、同向的裝配體位置描述概念進行了,引入了裝配約柬概念,從而提高了裝配設計效率;在此基礎上,文章討論了裝配約束的解方法,提出了newton rapson迭代法的改進演算法,使得系統能更好地處理jacobi矩陣的奇異和病態的情形。
  13. The b2b architecture needs to support the definition and implementation of mediation services that include transport rebinding, document and message routing, transformation, and additional data handler functions as needed to support integration requirements

    B2b體系結構需要支持中介服務的和實現,中介服務包括傳輸重新綁、文檔和消息路由、轉換以及支持集成需所必需的附加處理程序功能。
  14. A fuzzy image data model and a concept of fuzzy space are proposed, in which model visual feature, spatial feature and semantic feature are used for super feature in order to utilize advantage of traditional relation database as well as characteristics of image data and fuzzy retrieval. based fuzzy space, a method of similarity measurement of image is presented to support fuzzy features - based image retrieval and satisfy user ' s query requirement for image. in the thesis, a semantic template and the mechanism of dynamic relevant feedback are defined so that it can express user ' s query semantic and improve retrieval precision and useable capability for image retrieval

    研究了模糊檢索方法和相關反饋機制在圖象檢索中的應用,提出了一種模糊圖象模型和模糊空間的概念,該模型將可視特徵、空間特徵、語特徵看作超屬性,既充分利用了傳統關系庫的優點,同時又考慮了圖象以及模糊查詢的特點,文中提出的模糊空間和模糊相似性度量方法能支持基於模糊特徵的圖象查詢,較好地體現用戶圖象查詢的應用需,文中的語模板和相關反饋機制能在一程度上表達用戶的查詢語,提高圖象檢索的準確率和易用性。
  15. The frontier production function, a parametric function of any form, can be estimated by sample data. this study shows that the projected panel data, which is the inputs and relative exponential maximum output data set, obtained by conducting the data envelopment analysis with the log inputs and output, is approximately piecewise cobb - douglas under a certain assumption

    前沿生產函,本文利用投入產出的對形式和包絡分析方法出了相對指最大產出,並證明了在一的條件之下,這種結構即所謂的支撐面板具有分段近似cobb - douglas性。
  16. Fundamentally, semantic grid database is about bringing globally distributed databases together in order to coordinate resource sharing and problem solving in which information is given well - defined meaning, and dartgrid ii is the implemented database gird system whose goal is to provide a semantic solution for integrating database resources on the web

    而語庫網格則是採用語技術將分佈的庫結點集成起來以支持資源共享和高層的問題協同解,其中的服務與信息有明確良好的語以便於機器理解和自動處理。
  17. In this chapter, we focus on the combine of function model, design the modul function, and manage the data of module function, and manage the module database

    針對功能模塊組合設計要模塊介面函,完成組合模塊功能的實現,並對組合模塊實現管理操作。
  18. For automated tracking of project metrics across the development lifecycle, from requirements definition to change requests to defect reporting

    用於跨越開發周期,對項目從需直至變更請的統計進行自動化的跟蹤。
  19. Different data sources usually have different security requirements or users, so defining the data access for the integrated warehouse data can be difficult

    不同的源通常具有不同的安全性需或用戶,因此為集成的倉庫訪問可能十分困難。
  20. According to the demands, the structure of the database has been designed : defining data, defining table, building relation data model and designing the data structure

    按照任務的目的和要,設計了其庫系統結構:、表、創建關系模型及設計結構。
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