conceptual data model 中文意思是什麼

conceptual data model 解釋
概念數據模型 概念
  • conceptual : adj 概念的。 conceptual knowledge （抽象的）概念知識（cf perceptual knowledge 感性知識）。n ism ...
  • data : n 1 資料，材料〈此詞系 datum 的復數。但 datum 罕用，一般即以 data 作為集合詞，在口語中往往用單數...
  • model : n 1 模型，雛型；原型；設計圖；模範；（畫家、雕刻家的）模特兒；樣板。2 典型，模範。3 （女服裝店僱...
  1. In addition, the paper designs a bottom database model, selects a multi - aim strategy combining files with known data, and establishes dual interaction data model that has explicit conceptual structure and directly aims to geographic objects, and provides backing up enquiry language ( g - sql ). simultaneously, after analyzing and studying methods available for the under pipelines, the paper constructs survey adjustment calculation model, and according to the model, checks the survey of under pipelines. the results indicate that the model is suitable to actual requirement because it greatly increase calculation speed, meeting calculation accuracy requirement

    在此基礎上，對系統的底層數據模型進行設計，選擇了文件與成熟數據庫相結合的混合策略，併兼顧面向對象的數據庫（ oodb ）和可擴充數據庫（ edb ）的特點，建立了一個概念層次清晰、面向地理對象實體的雙層語義數據模型以及支持模型的查詢語言g - sql ，同時對地下管線的各種測試方法進行分析研究，建立了地下管線測量平差計算模型，並以此對所勘測的地下管線進行核算，計算結果表明，計算模型不僅大大提高了核算的速度，同時在計算精度上也符合核算的要求，是符合實際要求的關于測量平差計算的模型。
  2. The conceptual model of actions was intentionally made general enough to accommodate both data - flow and control - flow computing models

    動作的概念上的模型被特意的普通化，從而提供數據流和控制流計算模型。
  3. Following the requirement of the reservoir operation section of north - west electricity management bureau in developing a 10 day runoff forecasting scheme and considering the situation of no suitable forecasting model to serve the purpose, this thesis, from ge shouxi ' s and wmo ' s point, defined a group of standards which are practicability, information ability which means the ability of a model to adopt information contend in observed data, extension capacity and robustness, being used for evaluating performance of a forecast model and with them makes a comparison among systematic models as multi - regression model, generalized tank model, neural network method and system model of genesis ( in short smg ), and one conceptual model, the xinganjiang model

    針對西北電網水調部門提出的開發黃河上游徑流中長期預報軟體的任務，根據wmo和葛守西的總結，本論文利用四個系統模型和一個概念模型對黃河上游的龍、劉兩庫的汛期入庫徑流量進行旬徑流預報嘗試，並對所用的模型進行了泛化性、穩健性、模型結構、對水文信息反映和實用性及作中長期預報時何種系統模型的輸入最好作了比較研究，為龍、劉兩庫的徑流中期預報模型的採用提出了建議。
  4. Taking ningxia - inner mongolia reach of yellow river as a study case, a ice regime forecast data warehouse is established for the datamining concerned on the basis of the analysis on the ice regime changing law and its influencing factor of the reach, and then the conceptual mathematic model and artificial neural network model for the parameter calibration of ice regime forecast are built up with gis in combination of the relevant empirical forecast models based on the principles of the hydrological flow muting, thermodynamics and ice hydraulics etc., with which the design and development of the decision support system for the ice regime forecast with the integrated functions of information inquiry, model parameter calibration, temperature forecast and ice regime forecast are preliminarily discussed

    摘要以黃河寧蒙河段為例，在對河段歷史冰情變化規律及其影響因素分析的基礎上，建立冰情預報數據庫，進行數據挖掘，並以地理信息系統（ gis ）為平臺，以水文學流量演算、熱力學、冰水力學等原理為基礎，結合相關經驗預報模型，建立用實測資料進行參數率定的冰情預報概念性數學模型和人工神經網路模型，初步探討了集信息查詢、模型參數率定、氣溫預報、冰情預報等功能為一體的冰情預報決策支持系統的設計與開發。
  5. Technical procedures of this research are : data requirement assessment and data collections ; analysis of the spatio - temporal natures of the socio - economic statistics ; conceptual and logical spatio - temporal data model design for socio - economic statistics ; physical data model design in esri geodatabase ; database implementation and application development

    本文以河南省2000 - 2005年社會經濟統計數據為例，分析了統計數據的時空特徵，對統計數據的時態表達進行了深入的探討。
  6. The paper puts forward a kind of unifed multi - media object semantic data model ( umosdm ) based on analyzing multi - media information characteristics for setting up the model to multi - media information effectively. the model combines object - oriented data model with semantic data model and conceptual model together, and leads some concepts of artificial intelligence for the expression of the feilcl knowledge

    本文在分析多媒體信息特點的基礎上，為有效的對多媒體信息建模，提出了一種統一的多媒體對象語義模型（ umosdm ） ，該模型將面向對象的數據模型與語義數據模型和概念模型相結合，引入了人工智慧中的一些概念，以支持領域知識的表達。
  7. Information packing includes three data models named information package diagram, star scheme and physical data model, corresponding to conceptual model, logic model and physics model in traditional database

    數據庫的信息打包設計法通過建立信息包圖、星型模式、物理數據模型三種數據模型來創建數據倉庫。它們分別對應傳統數據庫的概念模型、邏輯模型和物理模型。
  8. Abstract : based on the conceptual two - flow model and pic numerical solution method developed in the companion paper, the present paper further investigate the model application in simulation of the typical debris flows. the model validation was carried out with the experimental data obtained by other investigators at dongchuan debris flow observation and research station in yunnan province. predictions were made in terms of the main controlling facetors including the channel slope, flow density and time interval between two blasts of debris flows. the predicted results could well reflect the observations reported by the geographers and sedimentologists

    文摘:採用文獻[ 1 ]中提出的陣性泥石流運動與堆積的歐拉-拉格朗日模型，模擬了陣性泥石流的運動過程和堆積形態，得出了與地學研究中觀測結果較為一致的認識.文中針對影響陣性泥石流的關鍵條件，重點通過改變密度，坡度和各陣泥石流的時間間隔等參數，分析了這些參數變化對泥石流運動及堆積規律的影響，提出了簡化分析整個陣性泥石流的條件.研究表明，應用經試驗資料驗證的數學模型不但可以方便、快捷地定量描述陣性泥石流的一般特性，而且能夠提供關于陣性泥石流運動及堆積的更多細節
  9. This work aims at studying multi - scale structures of large - scale stratiform precipitating clouds typical of henan province of central - eastern china in spring and autumn drought periods of china, the potentials and techniques of artificial rain increase. through analysis of historical weather / climate and cloud physical data, developed are a number of multi - scale observational schemes including intensive observational items, and space / time resolutions of data for integrative field observations to obtain real - time measurements of the structures at large -, medium -, small - and micro - scale. from analysis of observed separate items, their integrative treatment and numerical simulation we place focus on case studies and their integration in investigating such structures of stratiform precipitating clouds over the target region, rainfall physical mechanisms and exploitation of artificial rainfall increase potentials, whereupon a conceptual model is constructed and a range of catalysis schemes are proposed to improve smaller - scale forecasting accracy and techniques for the rainfall increase, with the dominant results given below

    以地處中原、具有典型代表意義的河南層狀降水雲系為主要研究對象，在對該地歷史天氣氣候和雲物理等資料分析的基礎上，研究設計雲系多尺度觀測方案（包括加密觀測項目、觀測時空解析度） ，實施有設計的外場綜合觀測，獲取雲系結構多尺度（大、中、小、微）配套的實時觀測資料；通過對各種觀測資料的分項和綜合處理分析，以典型個例觀測和數值模擬分析研究為重點，綜合多個例分析，研究河南層狀降水雲系多尺度宏微觀結構特徵、降水物理機制和人工增雨潛力條件，建立典型層狀雲系人工增雨概念模型，研究科學的人工增雨作業技術系統。
  10. The macro characteristics of status cloud systems have been studied by using every 3 - hour sounding data, satellite cloud pictures, radar echoes, synoptic charts, surface rainfall, raindrop size distribution and microwave radiometer. the spatial distribution of precipitation particles and the mechanisms of their formation were studied by one - dimension stratus model. thus, spring stratus precipitation conceptual model was primarily established in henan province

    利用3小時一次的加密探空資料、衛星雲圖、雷達回波圖、天氣圖、地面雨量、雨滴譜、微波輻射計等資料，分析了降水雲系的宏觀特徵，並利用一維層狀雲模式研究了降水粒子的時空分佈和水質粒形成的微物理特徵，由此初步建立了河南省春季層狀雲降水的概念模型。
  11. In the light of the method of top - down, the author put forward the concept of product function structure tree, which was used to express the product ' s function structure during the conceptual design. based on it, the product structure was expressedthe paper studies the definition of the function model which supports the method of top - down design, and the expression of function model based on binary - tree was also put forward in the thesis. for the abstract description of parts in the assembly level and the integration with other systems during the whole life circle of the products, the concept of assembly model was presented, the definiton, classfication and expresstion method of assembly feature was studied in this thesis. the representation of assembly relationship and data structure of the assembly model based on diagram was further studied. for the constraints transfer between function model and assembly model, an hierarchical component model is presented. an arithmetic of the change of assembly relationship when assembly model changing was also studied. fmally, a system named fb - tpms, which using object oriented programming technology and pro / toolkit, was developed

    為了支持在裝配層次上的零件的抽象建模，提出了骨架模型的概念，並討論了裝配模型的建立方法。根據前述裝配模型有關研究，探討了從功能模型到裝配模型以及從上一級裝配模型到下一級裝配模型的數據和約束傳遞問題，並用層次化單元裝配模型得以解決，同時提出了裝配模型變動時引起的裝配關系的變化的有關演算法。在論文的最後部分用用面向對象的程序設計方法，結合課題要求，研究了支持自頂向下設計方法的裝配建模系統fb - tpms 。
  12. Based on wide investigation and deep analysis into the characteristic of spatiotemporal application, data models of gis and the research achievements of existing spatiotemporal data models, this thesis makes a systematical research on spatiotemporal data model mainly including conceptual data modeling of spatiotemproal application, logic structure of spatiotemporal data model, spatiotemporal dynamic modeling and application of spatiotemporal data model in transportation planning

    在對時空數據的應用特點以及現有時空數據模型的研究成果進行廣泛調查和深入分析的基礎上，本文從時空數據建模的基本概念、時空應用概念建模方法、時空數據模型的邏輯結構、時空動態建模以及時空數據模型在城市交通規劃中的應用等方面，對時空數據建模進行了較為系統的研究。
  13. Based on the stock exchange, this paper described the approach of conceptual multidimensional data modeling based on multidimensional e / r model in detail, and used it to model the stock exchange subject, then compared it with the existing multidimensional data models. based the applications, this paper described systemically the multidimensional data modeling techniques, and stated classifiedly the main operations used in this technique with formalization means. this paper stated vividly the approach of building the multidimensional data model based on the relation data model

    針對證券行業這樣一個特定背景，在詳細分析基於me r的多維數據概念建模方法的基礎上，運用它對股票交易主題進行了概念建模，同時也把me r模型與常用的多維數據模型進行了對比；根據課題背景，對基於關系數據模型的多維數據建模方法進行了詳細地闡述。
  14. The distribution gis data management methods and its application in distribution running are systematically researched, which compose distribution gis network topology analysis ( nta ) and optimal rush - maintain path ( orp ), and distribution planning, which composes distribution spatial load forecasting ( slf ) : ( 1 ) with systematic analysis on the relationship between spatial data model and spatial data structure, the distribution feature and the two common gis data models are analyzed, which are vector and raster data models. then the conceptual and logic data models of distribution gis are designed. the spatial data storage structure is given by using vector method, and their detailed data management methods are proposed

    （ 4 ）將gis的空間信息分析功能應用於配網空間負荷預測（ saptialloadforecasting ， slf ）的研究：綜合利用灰色理論及遺傳規劃的優點，提出了一種根據饋線的歷史峰值負荷進行外推的組合slf法：首先採用負荷轉移耦合法來修正負荷歷史，消除由於負荷轉移引起的誤差；然後根據實際饋線路徑和配網gis圖形分層，運用圖層疊加分析得到饋線的實際供電范圍；接著採用灰色關聯度聚類方法對饋線負荷增長曲線進行聚類分析；最後採用遺傳規劃來對灰色聚類結果進行符號回歸，分別得到每一類曲線的最佳擬合曲線形式。
  15. The model offers a uniform method of conceptual view of the diverse data as a sequence of bits and a uniform method of keeping and processing this sequence on the external storage

    這個模型提供了一個統一的概念方法，將不同的數據看作是一個位序列，以及在外部存儲媒介中保持和處理這個序列的方法。
  16. By object - oriented technic, the main matter, constructing, expression, class frame of field common data model ( fcdm ) and constructing technics liking entity definition, attributes, constraint rules. the object state transform rule and object based on conceptual cluster - role mechanism ( ccrm ) are importantly proposed

    作者用面向對象技術給出了領域公共數據模型fcdm （ fieldscommondatamodel ）的主要內容、建立與表達、類結構組織和實體定義、屬性、約束規則等構築技術，並重點介紹了對象狀態轉換規則和對象聚類機制及其特點。
  17. Standard clinical conceptual data model

    標準門診理論數據模型
  18. Spatiotemporal object model can serve as a powerful tool for conceptual data modeling of

    時空擴展對象模型的提出為時空應用概念設計提供了有力的工具。
  19. During the design of accelerator cavity, we must face complicated objects and time - varied data. it is necessary for us to consider an object - oriented and temporal data model. therefore, we give a conceptual data model, that is entity - relationship data model ( shorten as ter model )

    目錄中國原子能科學研究院博士學位論文h在加速器腔體的設計中，所面臨的對象是復雜的，數據是時變的，所以我們有必要提出一個面向對象的、時態的數據模型。
  20. We put forward a product conceptual design model based on data mining tool, and explore the product function design and mapping of function and structure based on data mining technology

    摘要提出了基於數據挖掘工具的產品概念設計模型，探討了產品功能設計和基於數據挖掘技術的功能結構映射。
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