data independence 中文意思是什麼

data independence 解釋
數據不相關性
  • 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...
  • independence : n. 1. 獨立,自主,自立 (of; on)。2. 足夠維持閉居生活的收入。3. 獨立心,自恃心。
  1. To make the prediction values with independence of the general trend, which is changed from year to year, the load data are transformed by profiles, mean value, and variance. sofm is used for the prediction of profiles and mlp networks for prediction of daily mean and daily variance. at a result, load forecasting for 24 hours in a day can be gotten

    為使預測值不受負荷逐年變化這一趨勢的影響,把負荷數據變換為特徵、均值和方差的形式,利用白組織競爭網路預測負荷的特徵,然後利用多層感知器網路預測負荷的日均值和方差,最終實現對一大24小時負荷的預測。
  2. On the background of dalian maritame university science and technology information decision support system construction faced with the deficience of data independence and duplication in its many - year used files processing system and the late demands of the new environments against the science and technology managements ; this paper analysis detailedly the business activities and function needs of the system and defines that the intelligence and ability dcision system with multi - model peocessing constructive is the optimum solution scheme to realize the system destinations

    本文以海事大學科技信息管理為背景,針對其多年沿用的文件處理系統中數據獨立和數據重復等不足以及新環境對科技管理的新要求,詳細分析了系統的業務活動和功能需求,確定了建立基於c s數據處理結構輔以模型程序可視化、數據挖掘等技術的科技管理與決策系統為實現其系統目標的最佳解決方案。
  3. The program of data processing in determination of percent released of pharmaceutical preparation was developed ; two modules included in this program are connected but independence each other, one module calculate percent released, one module regress equation ; determination of percent released of pharmaceutical preparation, comparison of released curve in one reference frame and modeling mathematics model were realized by running this program. the program of formulation optimization based on artificial neural network was compiled to solve the nonlinear problem in formulation optimization. provided parameters were used to predict the released amount of a set of formulations

    簡便,其計算結果與現有其他程序計算結果基本一致:開發固體制劑體外溶出試驗數據處理程序,程序運行時分為計算累積釋放百分率和優選最佳數學模型兩個相互連接又各自獨立的環節,實現了累積釋放百分率的自動計算,同一坐標系下釋放曲線的直觀比較,常用數學模型的擬合;開發基於人工神經網路的處方優化系統,解訣處方優化這一多目標、非線性優化問題,利用符合擬合精度的訓練結果預測給定處方的釋放度,預測結果與實驗結果基本相近。
  4. Physical data independence : the capacity to change the internal schema without having to change the conceptual schema

    邏輯資料獨立:不必改變外部綱要或應用程式,即可改變概念綱要的能力。
  5. Xml, as a meta - language, is becoming the necessary data description in network applications as its platform - independence and self - description

    Xml作為一種元語言,具有平臺無關性、自描述性等重要特徵,正成為網路應用不可或缺的數據表示方式。
  6. The multidimensional data model of the sample database is designed as star schema. the etl tool is implemented curtly and the tool is independence on structure in order to make the multidimensional query analysis be independent of data source, thereby, the expansibility of system is enhanced

    以星型模式設計了實例數據庫的多維數據模型,並簡單地實現了數據的提取與轉換工具,該工具獨立於查詢分析系統,使得查詢分析與數據來源無關,增強了系統的可擴展性。
  7. Db2 s optimizer is the component that accomplishes this physical data independence

    Db2的優化器是完成該物理數據獨立性的組件。
  8. With the demand for high quality of electric energy is increasing , as the most immediate part to the consumer , distribution network ’ s efficient and reliable operation is very important as the result , new distribution automation equipment with high performance is inevitable prime machine system , as data collection and processing subsystem of dms , provides communication of kinds of information between control center and rtus it ’ s reliability , real ? time abilitv and stability affect the scada system directly to solve the disadvantage of the existing system , whose channels are dependent , a new proj ect of single board system is brought forward and its hardware and software are designed with high performance chip of communication , independence of channels is realized basic function of system is realized , and faster reposition and expansibility of the single chip is fully applied

    配電自動化通信前置機作為dms主站系統的數據採集與處理子系統,提供監控中心與遠方rtu之間各種可能信息的交換功能,其可靠性,實時性和穩定性直接影響scada系統的運行質量。本課題針對現有前置機各通信通道之間不相互獨立、穩定性低的固有問題,提出一種新式單板前置機系統,並對其進行了軟硬體設計,選用高性能專用通信處理晶元,實現各通道獨立,並在實現前置機基本功能的基礎上,充分發揮單片機相對于工控機的快速復位功能以及更好的可擴展性,實現了一個可靠、穩定、靈活的前置機系統。
  9. The characteristic of all of world coordinate system is, coordinate of every time fixed position and locate coordinate does not have a relation last time, the coordinate location system that touching screen is an independence on physics, the data that feels every time passes the coordinate that calibration turns to go up for screen, such, no matter be below what circumstance, with respect to requirement feeling screen this covers coordinate, bit samer output data is stable, if be not stabilized, so this feeling screen locates with respect to unwarrantable absolutely coordinate

    絕對坐標系統的特點是,每一次定位坐標與上一次定位坐標沒有關系,觸摸屏在物理上是一套獨立的坐標定位系統,每次觸摸的數據通過校準轉為屏幕上的坐標,這樣,就要求觸摸屏這套坐標不管在什麼情況下,同一點的輸出數據是穩定的,假如不穩定,那麼這觸摸屏就不能保證絕對坐標定位。
  10. If calling code ignored the api and manipulated data structures in the library code, this independence would be lost since a change in the library s implementation might break the misbehaving client

    如果調用代碼忽略api並處理庫代碼中的數據結構,那麼將喪失這種獨立性,因為庫實現中的改變可能破壞行為失常的客戶端。
  11. Nevertheless, his further exploration of the nature of the “ data ” forced him to acknowledge that any attempt to realize the representation of immediate experience would inevitably involve the expressions of the physical language at the cost of the independence of the phenomenological language

    但通過對于」予料」之本性的深入探索,維氏最後卻不得不承認了:再現直接經驗的任何嘗試都會不可避免地牽涉到物理語言的表達式,而這種牽涉恰恰是以犧牲現象學語言的獨立性為代價的。
  12. According to the features of the data used in my dissertation, i take three indexes as the elderly health variables, which are self - ranked health, comprehensive ability to maintain self - independence and chronic. payout for medical treatment and frequency of consulting doctor are also considered as the variable of the elderly ' s use of medical resources

    根據本文所用數據特點,採用自評健康、綜合自理能力、慢性病等三方面指標作為老年人口健康變量,採用年內就診、醫藥費用支出等兩方面指標作為老年人口醫療資源利用變量。
  13. The two blocks are developed with the method of object - oriented programming and classes are designed to realize the functions of data input & output, data processing and working drawing. the encapsulate of class achieves the data abstraction and information hiding. at the same time, it makes sure not only the independence of classes also the readability, ability of maintenance and expansibility of the programme

    其中,每個類利用類的封裝機制實現了數據的抽象和信息的隱藏,既保證了每個類的相對獨立性,又保證了程序的的易讀性,易維護性和可擴展性,使本系統成為一個開放體系,為以後程序的完善和擴展打下基礎。
  14. The material job and main conclusion are as follows : ( 1 ) a simple boundary orthogonalization procedure independence grids generation method is put forward on the base of algebraic grid generation method ; data structure and computational model on interface are established aiming at blocks of structured grids. ( 2 ) simple procedure is established in nonorthogonal grids by use of the finite volume method and in - depth discusses on special topic such as boundary condition in nonorthogonal grids, deferred correction method and grads compute on calculational nodes, and so on

    本文完成的具體工作和主要結論如下: 1 )以代數網格生成方法為基礎提出了一種簡單的、可獨立於網格生成方法之外的邊界正交化技術;針對分區結構網格系統建立了分區交界面處的數據結構與計算模型; 2 )利用有限體積方法在非正交同位網格系統中建立了simple求解演算法,對非正交網格系統中的邊界條件、延遲修正技術及計算節點的梯度計算等專題進行了深入討論。
  15. First, the standard errors computed under the assumptionthat the error term is independent identical distribution will be biased. second, theassumption of independence is unlikely to satisfied. in the panel data analysis modelwith hierarchical structure, hierarchical effects, nested effects, time effects are seted. then the dissertation deduced parameter estimation and hypothesis test statistic andits probability distribution and analyze the hierarchical panel data set : eastern china, central china and western china are the top level, and the prc ’ s province, cities, and autonomous regions are bottom level

    然後針對目前面板數據分析過程中存在的兩方面問題,即一方面在利用面板數據模型進行分析時,標準誤差的計算是基於誤差項相互獨立並且同分佈的假設,如果誤差項是相關的將會造成估計有偏的後果;另一方面關于獨立性這一假設本身就難以滿足;提出多層嵌套面板數據模型,設定了層效應、嵌套效應以及時間效應參數,研究了多層嵌套模型的參數估計量和假設檢驗統計量及其分佈。
  16. This separation of access criteria from physical storage characteristics is called physical data independence

    從物理存儲特徵中分離出訪問標準叫作物理數據獨立性。
  17. From one perspective, soap looks like an open protocol specification that defines a uniform way of performing rpcs using http as the underlying communication protocol and xml as the data serialization format. the author uses the expression " rpc " in a generalized sense here because soap has been conceived with platform and environment independence in mind since day one

    Soap可以簡單地理解為http + xml + rpc ,採用http作為底層通信協議, rpc作為一致性的調用途徑, xml作為數據傳送的格式,允許服務提供者和服務客戶經過防火墻在internet上進行通信交互。
  18. It especially made the independence between data accessing structure and data logical structure possible in the database design process

    特別是在數據庫設計過程中,實現使數據存儲結構與數據邏輯結構的變化獨立開來。
  19. And, it becomes a standard pattern of data exchange of cross platform and a standard pattern of operation because of xml data semantics and xml data independence

    同時,由於xml的數據語義和數據獨立性,它成為跨平臺數據交換和操作的標準模式。
  20. Aim at special application, this article brings out some data models based on nonstructured engineering data model and use the theory in engineering data model research area for reference, combines the data modeling technology with the object oriented technology, uses the object oriented technology to abstract objects for the application system and abstract the application frame, converts the polymorphism character of the object oriented frame to the complex data storage character, realizes the permanent management of object method hi the object oriented system, and then from the position of data independence, separates the method independent management from the object frame and achieves the polymorphism and extensibility of the object oriented system, fulfills the enterprise application who need customize the software function

    本文在非結構化工程數據模型的基礎上,吸取非結構化工程數據模型的研究成果,提出針對專門應用的復雜數據模型,並將數據庫建模技術與面向對象技術相結合,按照面向對象的方法對工程應用進行分析建模,抽取出系統的對象框架結構,將面向對象系統的實現方法作為復雜數據模型處理,實現對象方法的持久化管理,從而在數據獨立性的角度將對象方法從對象框架分離出來單獨管理,在更高的層次上實現了面向對象系統的多態性和可擴展性,滿足了企業復雜應用中對軟體系統進行柔性定製的要求。課題研究的問題為面向對象系統中對象方法的持久化存儲與管理。
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