模式數據描述 的英文怎麼說

中文拼音 [móshìshǔjùmiáoshù]
模式數據描述 英文
schema data description
  • 模 : 模名詞1. （模子） mould; pattern; matrix 2. （姓氏） a surname
  • 式 : 名詞1 （樣式） type; style 2 （格式） pattern; form 3 （儀式; 典禮） ceremony; ritual 4 （自然科...
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 據 : 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...
  • 描 : 動詞1. （照底樣畫） copy; depict; trace 2. （在原來顏色淡或需改正之處重復塗抹） retouch; touch up
  • 述 : Ⅰ動詞（陳說; 敘述） state; relate; narrate Ⅱ名詞（姓氏） a surname
  • 模式 : model; mode; pattern; type; schema
  • 數據 : data; record; information
  • 描述 : describe; represent
  1. Describes data access programming with visual c, where the preferred way is to use one of the class libraries such as the active template class library or microsoft foundation class library, which simplify working with the database apis

    描述如何使用visual c + +進行數據訪問編程，首選方式是使用類庫（如活動模板類庫（ atl ）或microsoft基礎類（ mfc ）庫）之一，這將簡化對數據庫api的使用。
  2. We first present a number of desiderata for an xml - based query language, and based on this criterion, we introduce the syntax of a simple core ian - guage for semistructured data and then describe four extensions that have resulted in working prototypes. second, we present the algorithm for computing the result of a regular expression on data graph with cycles, the first - order interpretation of querying language for semistructured data, and explore structural recursion and bisimulation in semistructured data and propose an efficient and systematic way to computing a bisimulation between the two graphs. we also proposed and implemented a web querying system with database features

    基於這些準則，對一個簡單的半結構數據查詢核心語言的語法提出了兩方面擴充；給出了計算數據圖中正規表達式的演算法；對半結構數據查詢語言的一階邏輯描述、結構遞歸和數據圖的雙態模擬（ bisimulation ）等問題進行了研究，提出了一種判定數據圖的bisimulation演算法；在xml數據查詢語言研究的基礎上，設計並實現了一種具有數據庫查詢特性的web查詢系統原型。
  3. The management work data of oil - field earthquake exploration and oil - well position, which has not only data of current space position, but also entitative attribute data describing, have great capacity, traditional cad graphics describing the data plus the model database managing mode ca n ' t already adapt the modem exploration with well geography information for management work demand, so it is necessary to realize the unique management of exploration and oil - field well space data and attribute data use advanced geography information system ( gis ) technique, this thesis is based on the excellence ' s table ' s top geography information system - the maplnfo software, using the second process technique, the digital relief map and tectonic map as the base map, the earthquake exploration database as the original data, established the gis of the exploration and oil - field well in the area of the liaohe oil - field, realize visualization management, it provides a reference thereunder for the earthquake exploration deplo ying the workload and proceeding the technique design, and completed lots of practical work

    油田地震勘探與油井井位管理工作數據量大，既有空間位置數據，又具有實體的屬性描述數據，傳統的cad制圖+屬性數據庫管理模式已經不能適應現代勘探和井位管理工作的需要，採用先進的地理信息系統（ gis ）技術，實現勘探和油田井位空間數據和屬性數據的統一管理是必然的趨勢。本文以優秀的桌面地理信息系統mapinfo軟體為開發平臺，在此基礎上進行二次開發，以數字化地形圖、構造圖為載體，以地震勘探數據庫為數據源，建立了遼河油田范圍內的地震勘探和油田管理信息系統，實現了數據的可視化管理，為地震勘探部署工作量、進行技術設計，提供了圖形和數據的參考依據。並完成了很多實際工作。
  4. By making some assumptions, collision frequency were presented. then the the flocculation kinetics model was established through population balance equation. comparison of experimental data and modeling results indicate that there are the same trend between the two. so the model can predict floes number and size during flocculation of yellow river ' s loess particles without using empirical parameters. the tem and sem were used to obsever floes in the study of floe structure. the flocculation was divided as flocculi, floc and floe aggregate. the floes structure model was established by assumption that particles position in floe accords with tetrahedron. the fractal dimension of model and experimental floes was found to be coincidentso the model can reflect the structure of flocs formed in flocculation of yellow river ' s loess particles by macromolecule flocculant at a certain extent

    最後，本文還對絮凝動力學和絮體結構進行了研究，在前人研究的基礎上，針對高分子絮凝黃河泥沙，對絮凝過程作了一些符合試驗條件的假設，建立了顆粒碰撞頻率表達式，應用了顆粒數量平衡方程，從而建立了絮凝過程的動力學生長模型，模型計算結果與試驗數據對比表明，二者趨勢一致，在沒有使用經驗參數的情況下基本上能夠描述黃河泥沙絮凝過程中絮體數量和尺寸分佈的變化過程；對絮體結構的研究中，應用掃描電子顯微鏡和透射電子顯微鏡對絮體進行了觀察，將絮體分為絮粒、絮團和絮網三個不同的生長階段，通過假設顆粒結合位置符西安建築科技大學博士學位論文合正四面體，建立了絮體結構模型，計算得到的模型絮體分形維數基本與試驗中的實際絮體相符，在一定程度上能夠反映高分子絮凝黃河泥沙生成的絮體結構。
  5. Abstract : events contributing to the establishment of statistics the science of data and its chemical branch are epitomized. as the new chemical branch named chemometrics or chemstatistics has been disputed in the circles of chemistry for a long time, reasons for adopting chemstatistics are given, which is defined as the science of gathering or generating, describing, summarizing and interpreting the data concerned to acquire new chemical knowledge or information. the fact that many traditional statistical methods, such as significance tests, analysis of variance, regression and correlation, and some others not usually considered statistical, such as model building, monte carlo method, fourier transformation, artificial nerval networks and pattern recognition, each contains one or more of the five connotations of statistics is expounded. the regular pattern that a chemstatistician grows up is approached. the urgent task is to include chemstatistics in the undergraduate or graduate curriculum of chemistry specialty. the goal of the project is to nurture chemists who know statistics

    文摘:本文追溯了統計學發展、建立中的大事，陳述了它的定義及其化學分支發展、建立的梗概；鑒于化學界對該新興化學分支學科的名稱長期存在爭議，提出了以化學統計學而不以化學計量學為該學科名稱的理由，把化學統計學定義為一個研究有關數據的收集或產生、描述、分析、綜合和解釋，以獲得新化學知識或信息的學科；闡明了許多公認屬于統計學的方法，如顯著性檢驗、方差分析、回歸和相關，以及一些尚未認定屬于統計學的方法，如模型建立、蒙特卡羅方法、傅立葉變換和人工神經網路，都含有統計學5個內涵中的一個或多個；探討了化學統計學家成長的模式，認為當務之急是把化學統計學納入化學專業的教學計劃，以培養懂統計學的化學家。
  6. 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的功能要求、數據庫模式、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，並從基本表定義、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、復雜數據類型的支持、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。
  7. 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

    保留語義約束的xml與rdb雙向靜態數據轉換技術現有研究大多採用dtd （ documenttypedefinition ，文檔類型定義）作為xml的模式描述語言，並且在模式映射過程中丟失語義約束信息，本文分析了xml - schema （ xml - schema採用與dtd完全不同的語法，數據描述能力更強同時也更為復雜，已被w3c確定為替代dtd作為xml模式描述語言的標準）及關系模式的語義約束特徵，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，建立保留語義約束的xml - schema與關系模式的雙向模式映射演算法，實現了xml與rdb的雙向數據轉換，較好地解決了xml與rdb在靜態數據轉換層面的數據集成問題，可有效滿足企業大量rdb數據面向xml的發布以及與日俱增的xml數據存入rdb的應用需求。
  8. At last, this thesis figures out an event - based method of air threat assessment through the definitions of the events, the modeling accompanied with xml description of the model, the introduction of the functional architecture model of event correlation, the type of event correlation and the expressions of the theory of this technique, the event deleting and contracting on the data facet, the correlation between the events in causality by bayesian network and the probability reasoning, exemplifying and calculating of bayesian network employed in the construction of threat assessment model of air battle

    最後提出了一種基於事件的空戰威脅估計方法。對事件進行了定義、建模並用xml語言進行了數據描述;介紹了事件關聯功能結構模型;介紹了事件關聯類型及知識表達方式，從數據層進行了事件清理和壓縮，使用貝葉斯網路對因果事件進行關聯，建立了空戰威脅估計貝葉斯網模型、進行了貝葉斯概率推理及算例分析。
  9. This dissertation presented a simulation method for producing ideal echoed data based on the analysis of the point ideal echoed signal model, the 2 - d format of the echoed data and the feasibility of creating simulation geography map using bmp images for distributed targets. simulation results proved that this method is efficient and reliable for the study of imaging algorithms and validation of the system parameter settings

    論文討論了系統點目標回波信號的理論模型，分析了回波信號的二維數據格式，描述了利用位圖圖像生成分散式目標模擬地形圖的方法，在此基礎上給出了一種理想情況下回波模擬數據的產生方法，用它來進行成像演算法研究及檢驗系統參數設置的合理性非常有效可靠。
  10. ( 1 ) on the base of html, we can extract dc. title. in order to extract contental metadata we construct matrix model for web text, by which dc. title and dc. creater can be filled in. ( 2 ) on the base of matrix model we combine correlational knowledge of faint math to fill in dcsubject and dc. type

    Web文本元數據分為描述性元數據和語義性元數據，描述性元數據通過分析html源文件直接得到，本文的主要工作有以下四部分： 1對html源文件進行分析，將標記流和文本流分開，根據標記流，提取題目元數據項；根據文本流將文本形式化為一個矩陣模型，在矩陣模型基礎上提取文本的作者元數據項。
  11. 2 ) semantic description methods based on metadata we construct a semantic model of metadata to describe attributes characters. the model includes data schema and data content statistic

    2 ）基於元數據的語義描述方法以數據庫元數據為基礎，建立數學模型，用於描述數據庫對象的語義特徵，涉及范圍包括數據模式和數據內容統計。
  12. Besides the advanced manufacturing technology and theory, a series of correlative technologies are required to the implement of networked manufacturing, especially the technologies of distributed computing, information integration and artificial intelligent etc. aiming at their limitations, the paper reconstructed the key supporting technologies employing the last network technologies and protocols, and established a new architecture of networked manufacturing. finally, the demonstrational researches are conducted with " flexible design and manufacturing system of key parts in large - scale antenna " as prototype. the distributed computing platform available of networked manufacturing is constructed with the distributed object technologies such as corba, dcom, rm1 etc, but those rpc modules bring obstacles to the development of global manufacturing due to their limitations

    網路化製造系統是個分佈、異構、鬆散耦合的智能系統，除了先進製造技術與理念本身，網路化製造的具體實現與實施還需要一系列相關技術的支撐，特別是分散式計算、製造信息集成、人工智慧等，論文正是針對當前網路化製造中上述關鍵支撐技術的不足與局限，運用下一代internet核心規范webservices及其相關技術如xml 、 soap 、 wsdl 、 uddi等，提出了面向全球的網路化製造全新分散式計算解決方案（ global - orienteddistributedcomputing ， godc ） ；構造了基於xml - schema的製造產品數據描述語言（ pdmlbased - xml - schema ） ，給出了express xml及steppart21 xml的映射規則，並對基於xml step pdm網路化製造信息集成方案進行了研究；同時運用webservices 、 xml等先進技術與規范對網路化製造的multi - agent模型、表示、通訊、調度等進行了研究與重構；最後，以「大型天線關鍵零件網路化製造」為原型進行了應用研究。
  13. After analyzing the product data exchange and share among cax, pdm and erp, this paper expounded three arrangements of ideas to carry out system integration between pdm and erp at present, then, broadly combining with the last research achievements of information integration theory and method and synthetically considering technical advancement and practical needs of domestic medium and small - scale enterprises. advanced and analyzed three plans to solve the integration problems. in view of reasonable method to organize product information, the paper adopted express model language to describe integrated logic data structure, built integrated data model with o - o feature to support system integration, discussed the method to bring about integrated data model on rdbms, and at last, according to the implementation of cims in yunnei power co., ltd, developed a integrated data model to exchange and share information between pdm and erp by means of transforming ebom to mbom

    本文首先對cax 、 pdm 、 erp之間的產品數據交換與共享作了分析，闡述了現階段pdm與cax應用系統之間實現集成的三個層次：結合國內外信息集成理論及方法的最新研究成果，綜合考慮技術上的先進性和國內中小企業的實際需要，提出並分析了三種解決集成問題的方案；基於產品信息的合理組織方法，採用express模式語言描述集成邏輯數據結構，建立了具有o - o特徵的集成數據模型以支持系統集成，並討論了集成數據模型在rdbms上的實現方法；最後開發了一個以雲內動力股份有限公司cims工程為應用背景的集成數據模型，通過利用ebom向mbom轉換的技術來實現pdm系統與erp系統之間的信息交換和共享。
  14. The model employs advanced linear programming technique, including the device to distribute the material to downstream automatically, nonlinear recursion, modeling and auxiliary function of data, and advanced distribution recursion, which can describe enterprises producing and management course accurately, perfect the function of enterprises management system, and promote enterprise ' s management level

    模型採用先進的線性規劃技術，包括自動將物料質傳遞到下游裝置、非線性回歸、建模和數據輔助功能及先進的分散式回歸，可以準確描述企業的實際生產經營過程，該完善企業管理系統的功能，提升企業管理水平。
  15. In the case of data index, the paper generalizes several advanced data index at the present time and analyzes the feature of data index based on database emphatically. then it illustrates the spatial ordering quad - tree index based on database of gde. in the case of geographic data management, the paper studies and tests several primary technologies, such as data concurrent access, data storage, data query, data update and maintenance, data transmission and data buffer, and so on

    數據模型方面，在對常見的數據模型進行描述和分析的基礎上，提出了滿足海量數據高效存儲和管理的gde數據模型，通過實驗對數據的存放方式和效率進行了測試；數據索引方面，歸納總結了當前提出的較為先進的幾種數據索引方法，尤其是著重分析了基於數據庫的數據索引的特點，並對gde基於數據庫的可排序四叉樹索引進行了重點闡述；地理數據管理方面，對數據並發訪問、數據查詢、數據更新與維護、數據傳輸以及數據緩存等關鍵技術進行了闡述和實踐；地理數據訪問對象方面，介紹了採用面向對象技術設計實現的地理數據訪問類。
  16. On the basis of collecting a lot of data of home and abroad, the paper finishes as follows : 1 analyzing the merits and shortcomings of every algorithm ; 2 summarizing every kind of algorithm, and then concluding a model that is suitable for the current engineering application

    對目標跟蹤問題進行了深入、系統的研究，重點是關注數據關聯部分，以易於理解的方式給出pda以及jpda演算法清晰的數學描述，並對演算法進行了模擬。
  17. Often the easiest tool for specifying legal strings are regular expressions : just write a pattern using a regular expression to describes what string values are legal, and throw away data that doesn t match the pattern

    通常指定合法字元串最簡單的方法是使用正則表達式：只需正確使用正則表達式編寫描述哪些字元串合法的模式，拋棄那些不符合這個模式的數據。
  18. Using the function, the relations between dynamic error data comparability and data correlation function are deduced, and the evaluating method that assesses the model ' s prediction error using correlation function ' s relative error is built. the effective prediction space concept is established, on the base of these, this paper deduces two representations " evaluating equation, one evaluates the prediction error and the other evaluates the prediction error in limited space

    提出以樣本距離空間范數來描述預報數據間相似程度並定義了相似度函數，推導出動態誤差數據相似度與數據相關函數之間的關系，建立了以相關函數相對誤差來評定模型預報誤差的評定方法，建立了有效預報空間的概念，推導出了預報誤差的評定公式和在有效預報空間中的兩種表示形式。
  19. Geographic information. data description. spatial schema

    地理學信息.數據描述.空間模式
  20. As the application of distributed computing is used much more widely ， distributed database becomes a significant part of information management it avoids a lot of disadvantages of conventional centralized database ， and is applicable to many situations distributed database is a set of data which is the unity logic ， but in fact these data is located on different sites it is of high availability ， easy expansibility ， high concurrency ， high efficiency and etc in distributed system ， data redundancy is a method to improve the speed of query and the availability of system distributed query should shield the lower level details of data redundancy from end users ， distributed transaction should ensure data from disaccord this paper introduces basic conceptions of distributed database firstly ， discusses distributed transaction and concurrent control ， describes the development prototype mysql ’ s characters ， architecture and executive mechanism ， then shows the skeleton model of dpsql and exposes the strategy and algorithm of distributed query and distributed transaction ， at last analyzes the extra expenses and response delay of distributed processes this paper exposes the implementation mechanism of distributed query and distributed transaction emphatically distributed query uses the strategy of “ read one ， write a11 ” s0 in such a system if user ’ s requests are read - - only for the most part and the distribution of data redundancy is plausible ， efficiency is very high distributed transaction uses two - 。 phase commit protocol to ensure the consistency of global data ， which has less communication overhead

    分散式查詢需要向用戶屏蔽數據冗餘分散的底層細節，分散式事務處理要保證全局數據完整，這都是傳統集中式數據庫不曾面臨的問題。本文首先介紹了分散式數據庫的概念性問題；接著討論了分散式事務涉及的定義及演算法；然後描述了dpsql的原型mysql的特性、結構和執行機制；繼而給出了dpsql的梗概模型，闡述了實現分散式查詢和分散式事務處理的策略及演算法；最後分析了進行分散式處理給系統增加的額外開銷和客戶端的額外響應延遲。本文重點描述了分散式查詢和分散式事務處理的實現機制，分散式查詢採用」讀一個寫全部」的本地優先策略，在讀操作頻繁的系統中，只要庫的分佈合理，單機效率極高，幾乎無任何附加開銷和延遲，而以整個系統的角度看來，吞吐量就更是優于單機系統；分散式事務處理採用兩階段提交協議，通信次數較少並能確實保證副本一致。
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